Input TRS:
    1: active(__(__(X,Y),Z)) -> mark(__(X,__(Y,Z)))
    2: active(__(X,nil())) -> mark(X)
    3: active(__(nil(),X)) -> mark(X)
    4: active(U11(tt())) -> mark(tt())
    5: active(U21(tt(),V2)) -> mark(U22(isList(V2)))
    6: active(U22(tt())) -> mark(tt())
    7: active(U31(tt())) -> mark(tt())
    8: active(U41(tt(),V2)) -> mark(U42(isNeList(V2)))
    9: active(U42(tt())) -> mark(tt())
    10: active(U51(tt(),V2)) -> mark(U52(isList(V2)))
    11: active(U52(tt())) -> mark(tt())
    12: active(U61(tt())) -> mark(tt())
    13: active(U71(tt(),P)) -> mark(U72(isPal(P)))
    14: active(U72(tt())) -> mark(tt())
    15: active(U81(tt())) -> mark(tt())
    16: active(isList(V)) -> mark(U11(isNeList(V)))
    17: active(isList(nil())) -> mark(tt())
    18: active(isList(__(V1,V2))) -> mark(U21(isList(V1),V2))
    19: active(isNeList(V)) -> mark(U31(isQid(V)))
    20: active(isNeList(__(V1,V2))) -> mark(U41(isList(V1),V2))
    21: active(isNeList(__(V1,V2))) -> mark(U51(isNeList(V1),V2))
    22: active(isNePal(V)) -> mark(U61(isQid(V)))
    23: active(isNePal(__(I,__(P,I)))) -> mark(U71(isQid(I),P))
    24: active(isPal(V)) -> mark(U81(isNePal(V)))
    25: active(isPal(nil())) -> mark(tt())
    26: active(isQid(a())) -> mark(tt())
    27: active(isQid(e())) -> mark(tt())
    28: active(isQid(i())) -> mark(tt())
    29: active(isQid(o())) -> mark(tt())
    30: active(isQid(u())) -> mark(tt())
    31: active(__(X1,X2)) -> __(active(X1),X2)
    32: active(__(X1,X2)) -> __(X1,active(X2))
    33: active(U11(X)) -> U11(active(X))
    34: active(U21(X1,X2)) -> U21(active(X1),X2)
    35: active(U22(X)) -> U22(active(X))
    36: active(U31(X)) -> U31(active(X))
    37: active(U41(X1,X2)) -> U41(active(X1),X2)
    38: active(U42(X)) -> U42(active(X))
    39: active(U51(X1,X2)) -> U51(active(X1),X2)
    40: active(U52(X)) -> U52(active(X))
    41: active(U61(X)) -> U61(active(X))
    42: active(U71(X1,X2)) -> U71(active(X1),X2)
    43: active(U72(X)) -> U72(active(X))
    44: active(U81(X)) -> U81(active(X))
    45: __(mark(X1),X2) -> mark(__(X1,X2))
    46: __(X1,mark(X2)) -> mark(__(X1,X2))
    47: U11(mark(X)) -> mark(U11(X))
    48: U21(mark(X1),X2) -> mark(U21(X1,X2))
    49: U22(mark(X)) -> mark(U22(X))
    50: U31(mark(X)) -> mark(U31(X))
    51: U41(mark(X1),X2) -> mark(U41(X1,X2))
    52: U42(mark(X)) -> mark(U42(X))
    53: U51(mark(X1),X2) -> mark(U51(X1,X2))
    54: U52(mark(X)) -> mark(U52(X))
    55: U61(mark(X)) -> mark(U61(X))
    56: U71(mark(X1),X2) -> mark(U71(X1,X2))
    57: U72(mark(X)) -> mark(U72(X))
    58: U81(mark(X)) -> mark(U81(X))
    59: proper(__(X1,X2)) -> __(proper(X1),proper(X2))
    60: proper(nil()) -> ok(nil())
    61: proper(U11(X)) -> U11(proper(X))
    62: proper(tt()) -> ok(tt())
    63: proper(U21(X1,X2)) -> U21(proper(X1),proper(X2))
    64: proper(U22(X)) -> U22(proper(X))
    65: proper(isList(X)) -> isList(proper(X))
    66: proper(U31(X)) -> U31(proper(X))
    67: proper(U41(X1,X2)) -> U41(proper(X1),proper(X2))
    68: proper(U42(X)) -> U42(proper(X))
    69: proper(isNeList(X)) -> isNeList(proper(X))
    70: proper(U51(X1,X2)) -> U51(proper(X1),proper(X2))
    71: proper(U52(X)) -> U52(proper(X))
    72: proper(U61(X)) -> U61(proper(X))
    73: proper(U71(X1,X2)) -> U71(proper(X1),proper(X2))
    74: proper(U72(X)) -> U72(proper(X))
    75: proper(isPal(X)) -> isPal(proper(X))
    76: proper(U81(X)) -> U81(proper(X))
    77: proper(isQid(X)) -> isQid(proper(X))
    78: proper(isNePal(X)) -> isNePal(proper(X))
    79: proper(a()) -> ok(a())
    80: proper(e()) -> ok(e())
    81: proper(i()) -> ok(i())
    82: proper(o()) -> ok(o())
    83: proper(u()) -> ok(u())
    84: __(ok(X1),ok(X2)) -> ok(__(X1,X2))
    85: U11(ok(X)) -> ok(U11(X))
    86: U21(ok(X1),ok(X2)) -> ok(U21(X1,X2))
    87: U22(ok(X)) -> ok(U22(X))
    88: isList(ok(X)) -> ok(isList(X))
    89: U31(ok(X)) -> ok(U31(X))
    90: U41(ok(X1),ok(X2)) -> ok(U41(X1,X2))
    91: U42(ok(X)) -> ok(U42(X))
    92: isNeList(ok(X)) -> ok(isNeList(X))
    93: U51(ok(X1),ok(X2)) -> ok(U51(X1,X2))
    94: U52(ok(X)) -> ok(U52(X))
    95: U61(ok(X)) -> ok(U61(X))
    96: U71(ok(X1),ok(X2)) -> ok(U71(X1,X2))
    97: U72(ok(X)) -> ok(U72(X))
    98: isPal(ok(X)) -> ok(isPal(X))
    99: U81(ok(X)) -> ok(U81(X))
    100: isQid(ok(X)) -> ok(isQid(X))
    101: isNePal(ok(X)) -> ok(isNePal(X))
    102: top(mark(X)) -> top(proper(X))
    103: top(ok(X)) -> top(active(X))
Number of strict rules: 103
Direct Order(PosReal,>,Poly) ... removes: 1 3 17 22 7 25 23 2
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: (/ 1 16) + x1
 isPal(x1)	weight: (/ 1 8) + 2 * x1
   U42(x1)	weight: x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + 2 * x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 16) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 16) + x1
   U81(x1)	weight: 2 * x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: (/ 1 16) + x1 + x2
   U41(x1,x2)	weight: (/ 1 16) + x1 + x2
    __(x1,x2)	weight: (/ 1 16) + 2 * x1 + x2
Number of strict rules: 95
Direct Order(PosReal,>,Poly) ... removes: 18 8 16 21 19 5 10 20 24 13
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: (/ 1 16) + x1
 isPal(x1)	weight: (/ 3 32) + 2 * x1
   U42(x1)	weight: x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + 2 * x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 32) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 32) + x1
   U81(x1)	weight: 2 * x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: (/ 1 8) + x1 + x2
   U41(x1,x2)	weight: (/ 3 32) + x1 + x2
    __(x1,x2)	weight: (/ 5 32) + 2 * x1 + x2
Number of strict rules: 85
Direct Order(PosReal,>,Poly) ... removes: 9
     a()	weight: 0
   U21(x1,x2)	weight: (/ 378881 16) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: (/ 1 16) + x1
 isPal(x1)	weight: (/ 1 8) + 2 * x1
   U42(x1)	weight: (/ 1 16) + 2 * x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 3 16) + x1 + 2 * x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 16) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 16) + x1
   U81(x1)	weight: 2 * x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: (/ 1 16) + x1 + x2
   U41(x1,x2)	weight: (/ 3 16) + x1 + x2
    __(x1,x2)	weight: (/ 379507 16) + 2 * x1 + x2
Number of strict rules: 84
Direct Order(PosReal,>,Poly) ... removes: 15
     a()	weight: 0
   U21(x1,x2)	weight: x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: 2 * x1
 isPal(x1)	weight: (/ 333505 16) + 2 * x1
   U42(x1)	weight: (/ 1 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: 2 * x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 1 16) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + 2 * x2
    __(x1,x2)	weight: (/ 1 16) + x1 + x2
Number of strict rules: 83
Direct Order(PosReal,>,Poly) ... removes: 4
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: (/ 1 16) + x1
isNeList(x1)	weight: 2 * x1
 isPal(x1)	weight: (/ 612689 16) + 2 * x1
   U42(x1)	weight: (/ 1 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: 2 * x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 1 16) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + 2 * x2
    __(x1,x2)	weight: (/ 1 16) + x1 + x2
Number of strict rules: 82
Direct Order(PosReal,>,Poly) ... removes: 11
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: (/ 1 16) + x1
isNeList(x1)	weight: 2 * x1
 isPal(x1)	weight: (/ 612689 16) + 2 * x1
   U42(x1)	weight: (/ 1 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: 2 * x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 16) + x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 1 16) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + 2 * x2
    __(x1,x2)	weight: (/ 1 16) + x1 + x2
Number of strict rules: 81
Direct Order(PosReal,>,Poly) ... removes: 12
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: (/ 1 16) + x1
isNeList(x1)	weight: 2 * x1
 isPal(x1)	weight: (/ 612689 16) + x1
   U42(x1)	weight: (/ 1 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: 2 * x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 16) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 16) + x1
   U61(x1)	weight: (/ 1 16) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 162833 16) + x1
   U81(x1)	weight: (/ 1 16) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: (/ 1 16) + x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 1 16) + x1 + x2
Number of strict rules: 80
Direct Order(PosReal,>,Poly) ... removes: 26 27 28 30 29
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + x1 + x2
   U11(x1)	weight: (/ 1 8) + x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 22297 4) + x1
   U42(x1)	weight: (/ 108269 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 13033 8) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: (/ 12393 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 4) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: (/ 26145 8) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 412065 8) + x1
   U81(x1)	weight: (/ 1 8) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: (/ 1 8) + x1 + 2 * x2
   U41(x1,x2)	weight: (/ 216537 8) + x1 + x2
    __(x1,x2)	weight: (/ 1 8) + x1 + x2
Number of strict rules: 75
Direct Order(PosReal,>,Poly) ... removes: 6
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + x1 + x2
   U11(x1)	weight: (/ 1 8) + x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 22297 4) + x1
   U42(x1)	weight: (/ 108269 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 13033 8) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: (/ 12393 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 61025 8) + x1
   nil()	weight: 0
  mark(x1)	weight: x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: (/ 26145 8) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 412065 8) + x1
   U81(x1)	weight: (/ 1 8) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 36505 8) + x1
   U51(x1,x2)	weight: (/ 1 8) + x1 + 2 * x2
   U41(x1,x2)	weight: (/ 216537 8) + x1 + x2
    __(x1,x2)	weight: (/ 1 8) + x1 + x2
Number of strict rules: 74
Direct Order(PosReal,>,Poly) ... removes: 102 56 51 48 53 46
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 2129 4) + x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 312837 8) + x1
   U42(x1)	weight: (/ 114153 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 25 8) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 104209 8) + x1
   U72(x1)	weight: (/ 1 4) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + x1
   U61(x1)	weight: (/ 71361 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 104313 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 116241 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 97481 4) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 194963 8) + x1 + 2 * x2
Number of strict rules: 68
Direct Order(PosReal,>,Poly) ... removes: 14
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 130973 4) + x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 359309 8) + x1
   U42(x1)	weight: (/ 114153 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 105943 4) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 172089 8) + x1
   U72(x1)	weight: (/ 3 8) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + x1
   U61(x1)	weight: (/ 109741 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 93609 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 125553 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 6633 4) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 13267 8) + x1 + 2 * x2
Number of strict rules: 67
Direct Order(PosReal,>,Poly) ... removes: 47
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 1 4) + 2 * x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 213045 8) + x1
   U42(x1)	weight: (/ 114153 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 25825 8) + x1
   U72(x1)	weight: (/ 39625 4) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + x1
   U61(x1)	weight: (/ 42013 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 93609 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 125553 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 104325 4) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 208651 8) + x1 + 2 * x2
Number of strict rules: 66
Direct Order(PosReal,>,Poly) ... removes: 55
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 68869 4) + 2 * x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 187221 8) + x1
   U42(x1)	weight: (/ 114153 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 91397 4) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + x1
   U61(x1)	weight: (/ 34521 4) + 2 * x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 93609 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 29737 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 82161 4) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 3 8) + x1 + 2 * x2
Number of strict rules: 65
Direct Order(PosReal,>,Poly) ... removes: 49
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 68869 4) + 2 * x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 187221 8) + x1
   U42(x1)	weight: (/ 114153 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 91397 4) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + x1
   U61(x1)	weight: (/ 34521 4) + 2 * x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 93609 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 29737 4) + 2 * x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 82161 4) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 3 8) + x1 + 2 * x2
Number of strict rules: 64
Direct Order(PosReal,>,Poly) ... removes: 54
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 32) + 2 * x1 + x2
   U11(x1)	weight: (/ 275473 16) + 2 * x1
isNeList(x1)	weight: (/ 1 32) + x1
 isPal(x1)	weight: (/ 5 32) + x1
   U42(x1)	weight: (/ 243025 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 32) + 2 * x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + x1
   U72(x1)	weight: (/ 324737 16) + x1
 isQid(x1)	weight: (/ 1 32) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 16) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 16) + 2 * x1
   U61(x1)	weight: (/ 471233 16) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 32) + x1
   U81(x1)	weight: (/ 1 16) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 253089 16) + 2 * x1
   U51(x1,x2)	weight: (/ 1 32) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
    __(x1,x2)	weight: (/ 1 8) + x1 + 2 * x2
Number of strict rules: 63
Direct Order(PosReal,>,Poly) ... removes: 58
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 68869 4) + 2 * x1
isNeList(x1)	weight: (/ 1 8) + x1
 isPal(x1)	weight: (/ 50283 4) + x1
   U42(x1)	weight: (/ 166397 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 81185 4) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + 2 * x1
   U61(x1)	weight: (/ 117809 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 50281 4) + 2 * x1
    tt()	weight: 0
   U22(x1)	weight: (/ 63273 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 52821 2) + x1 + x2
    __(x1,x2)	weight: (/ 52821 2) + x1 + 2 * x2
Number of strict rules: 62
Direct Order(PosReal,>,Poly) ... removes: 57
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + 2 * x1 + x2
   U11(x1)	weight: (/ 68869 4) + 2 * x1
isNeList(x1)	weight: (/ 1 8) + x1
 isPal(x1)	weight: (/ 50283 4) + x1
   U42(x1)	weight: (/ 166397 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 81185 4) + 2 * x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 4) + 2 * x1
   U61(x1)	weight: (/ 117809 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 8) + x1
   U81(x1)	weight: (/ 50281 4) + 2 * x1
    tt()	weight: 0
   U22(x1)	weight: (/ 63273 4) + x1
   U51(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 52821 2) + x1 + x2
    __(x1,x2)	weight: (/ 52821 2) + x1 + 2 * x2
Number of strict rules: 61
Direct Order(PosReal,>,Poly) ... removes: 45
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: (/ 454325 16) + 2 * x1
isNeList(x1)	weight: (/ 1 16) + x1
 isPal(x1)	weight: (/ 168683 4) + x1
   U42(x1)	weight: (/ 178853 16) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 16) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 16) + x1
   U72(x1)	weight: (/ 503589 16) + x1
 isQid(x1)	weight: (/ 1 16) + x1
     o()	weight: 0
proper(x1)	weight: x1
    ok(x1)	weight: x1
isList(x1)	weight: x1
   nil()	weight: 0
  mark(x1)	weight: (/ 178853 16) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 178853 16) + 2 * x1
   U61(x1)	weight: (/ 650085 16) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 16) + x1
   U81(x1)	weight: (/ 495877 16) + 2 * x1
    tt()	weight: 0
   U22(x1)	weight: (/ 431941 16) + x1
   U51(x1,x2)	weight: (/ 1 16) + 2 * x1 + 2 * x2
   U41(x1,x2)	weight: (/ 1 4) + x1 + x2
    __(x1,x2)	weight: (/ 178855 16) + 2 * x1 + 2 * x2
Number of strict rules: 60
Direct Order(PosReal,>,Poly) ... removes: 65 72 76 73
     a()	weight: 0
   U21(x1,x2)	weight: x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: x1
   U42(x1)	weight: x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 733 4) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: x1
   U72(x1)	weight: x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 4) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1009 2) + x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: (/ 205 4) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 1009 2) + x1
    tt()	weight: 0
   U22(x1)	weight: x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: x1 + x2
Number of strict rules: 56
Direct Order(PosReal,>,Poly) ... removes: 77 68 63 64 78 59 75 71
     a()	weight: 0
   U21(x1,x2)	weight: (/ 5577 8) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 1 8) + x1
   U42(x1)	weight: (/ 1 8) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 337 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 8) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 2017 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: (/ 1 8) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 2017 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 3433 8) + x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 409 8) + x1 + x2
Number of strict rules: 48
Direct Order(PosReal,>,Poly) ... removes: 50 74
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 1 8) + x1
   U42(x1)	weight: (/ 1 8) + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 1 8) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 8) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: (/ 1 8) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: 2 * x1
   U81(x1)	weight: (/ 1 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 8) + x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 1 8) + x1 + x2
Number of strict rules: 46
Direct Order(PosReal,>,Poly) ... removes: 52
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 8) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 1 8) + x1
   U42(x1)	weight: (/ 1 8) + 2 * x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 8) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 1 8) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 8) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 4) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: (/ 1 8) + x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: 2 * x1
   U81(x1)	weight: (/ 1 4) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 8) + x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 1 8) + x1 + x2
Number of strict rules: 45
Direct Order(PosReal,>,Poly) ... removes: 70
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 4) + x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 19965 2) + x1
   U42(x1)	weight: 9982 + x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 49909 2) + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 4) + x1
   U72(x1)	weight: (/ 1 4) + x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 39927 4) + x1
   nil()	weight: 0
  mark(x1)	weight: 9982 + 2 * x1
     i()	weight: 0
   U52(x1)	weight: x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: x1
    tt()	weight: 0
   U22(x1)	weight: 9982 + x1
   U51(x1,x2)	weight: (/ 1 4) + x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 119781 4) + x1 + x2
Number of strict rules: 44
Direct Order(PosReal,>,Poly) ... removes: 61
     a()	weight: 0
   U21(x1,x2)	weight: 2 * x1 + x2
   U11(x1)	weight: (/ 1 8) + x1
isNeList(x1)	weight: x1
 isPal(x1)	weight: (/ 140471 4) + x1
   U42(x1)	weight: (/ 73637 4) + x1
     u()	weight: 0
   U71(x1,x2)	weight: 9205 + x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 8) + x1
   U72(x1)	weight: (/ 1 8) + x1
 isQid(x1)	weight: (/ 1 8) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 8) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 73637 4) + 2 * x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 8) + x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 66833 8) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 73637 4) + x1
   U51(x1,x2)	weight: x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 147277 8) + x1 + x2
Number of strict rules: 43
Direct Order(PosReal,>,Poly) ... removes: 69
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 32) + 2 * x1 + x2
   U11(x1)	weight: (/ 1 32) + x1
isNeList(x1)	weight: (/ 1 32) + x1
 isPal(x1)	weight: (/ 3 16) + x1
   U42(x1)	weight: x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + x1
   U72(x1)	weight: (/ 1 32) + x1
 isQid(x1)	weight: (/ 3 32) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 32) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 8) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 32) + x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: x1
   U81(x1)	weight: (/ 1 32) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 32) + x1
   U51(x1,x2)	weight: (/ 1 32) + x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 5 32) + x1 + x2
Number of strict rules: 42
Direct Order(PosReal,>,Poly) ... removes: 66
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + x1 + x2
   U11(x1)	weight: (/ 1 32) + x1
isNeList(x1)	weight: (/ 1 32) + x1
 isPal(x1)	weight: (/ 3 16) + x1
   U42(x1)	weight: (/ 1 32) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + x1
   U72(x1)	weight: (/ 1 32) + x1
 isQid(x1)	weight: (/ 1 32) + x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 3 32) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 1 8) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 32) + x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 32) + x1
   U81(x1)	weight: (/ 1 32) + x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 32) + x1
   U51(x1,x2)	weight: (/ 1 32) + x1 + x2
   U41(x1,x2)	weight: x1 + x2
    __(x1,x2)	weight: (/ 5 32) + x1 + x2
Number of strict rules: 41
Direct Order(PosReal,>,Poly) ... removes: 67
     a()	weight: 0
   U21(x1,x2)	weight: x1 + x2
   U11(x1)	weight: x1
isNeList(x1)	weight: (/ 1 64) + x1
 isPal(x1)	weight: x1
   U42(x1)	weight: (/ 1 64) + x1
     u()	weight: 0
   U71(x1,x2)	weight: x1 + x2
   top(x1)	weight: x1
isNePal(x1)	weight: x1
   U72(x1)	weight: (/ 1 64) + x1
 isQid(x1)	weight: x1
     o()	weight: 0
proper(x1)	weight: 2 * x1
    ok(x1)	weight: x1
isList(x1)	weight: (/ 1 32) + x1
   nil()	weight: 0
  mark(x1)	weight: (/ 3 64) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 64) + x1
   U61(x1)	weight: x1
     e()	weight: 0
active(x1)	weight: x1
   U31(x1)	weight: (/ 1 64) + x1
   U81(x1)	weight: x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 64) + x1
   U51(x1,x2)	weight: (/ 1 64) + x1 + x2
   U41(x1,x2)	weight: (/ 1 64) + x1 + x2
    __(x1,x2)	weight: (/ 1 16) + x1 + x2
Number of strict rules: 40
Direct Order(PosReal,>,Poly) ... removes: 80 103 36 85 100 32 60 87 84 34 44 33 93 92 39 88 62 82 89 79 31 101 96 81 94 98 90 40 91 97 99 37 41 95 42 83 35 43 86
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + 2 * x1 + x2
   U11(x1)	weight: (/ 1 16) + 2 * x1
isNeList(x1)	weight: (/ 1 16) + 2 * x1
 isPal(x1)	weight: (/ 1 32) + 2 * x1
   U42(x1)	weight: (/ 1 32) + 2 * x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 16) + 2 * x1 + 2 * x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + 2 * x1
   U72(x1)	weight: (/ 1 16) + 2 * x1
 isQid(x1)	weight: (/ 1 32) + 2 * x1
     o()	weight: 0
proper(x1)	weight: (/ 7 32) + x1
    ok(x1)	weight: (/ 3 32) + 2 * x1
isList(x1)	weight: (/ 1 16) + 2 * x1
   nil()	weight: 0
  mark(x1)	weight: (/ 3 16) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 16) + 2 * x1
   U61(x1)	weight: (/ 1 16) + 2 * x1
     e()	weight: 0
active(x1)	weight: (/ 1 32) + 2 * x1
   U31(x1)	weight: (/ 1 16) + 2 * x1
   U81(x1)	weight: (/ 1 16) + 2 * x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 16) + 2 * x1
   U51(x1,x2)	weight: (/ 1 32) + x1 + x2
   U41(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
    __(x1,x2)	weight: (/ 1 16) + x1 + 2 * x2
Number of strict rules: 1
Direct Order(PosReal,>,Poly) ... removes: 38
     a()	weight: 0
   U21(x1,x2)	weight: (/ 1 16) + 2 * x1 + x2
   U11(x1)	weight: (/ 1 16) + 2 * x1
isNeList(x1)	weight: (/ 1 16) + 2 * x1
 isPal(x1)	weight: (/ 1 32) + 2 * x1
   U42(x1)	weight: (/ 1 16) + 2 * x1
     u()	weight: 0
   U71(x1,x2)	weight: (/ 1 16) + 2 * x1 + 2 * x2
   top(x1)	weight: x1
isNePal(x1)	weight: (/ 1 32) + 2 * x1
   U72(x1)	weight: (/ 1 16) + 2 * x1
 isQid(x1)	weight: (/ 1 32) + 2 * x1
     o()	weight: 0
proper(x1)	weight: (/ 7 32) + x1
    ok(x1)	weight: (/ 3 32) + 2 * x1
isList(x1)	weight: (/ 1 16) + 2 * x1
   nil()	weight: 0
  mark(x1)	weight: (/ 3 16) + x1
     i()	weight: 0
   U52(x1)	weight: (/ 1 16) + 2 * x1
   U61(x1)	weight: (/ 1 16) + 2 * x1
     e()	weight: 0
active(x1)	weight: (/ 1 32) + 2 * x1
   U31(x1)	weight: (/ 1 16) + 2 * x1
   U81(x1)	weight: (/ 1 16) + 2 * x1
    tt()	weight: 0
   U22(x1)	weight: (/ 1 16) + 2 * x1
   U51(x1,x2)	weight: (/ 1 32) + x1 + x2
   U41(x1,x2)	weight: (/ 1 8) + 2 * x1 + 2 * x2
    __(x1,x2)	weight: (/ 1 16) + x1 + 2 * x2
Number of strict rules: 0
YES