(VAR x)
(RULES 
  b(a(b(b(x)))) -> b(b(b(a(b(x)))))
  b(a(a(b(b(x))))) -> b(a(b(b(a(a(b(x)))))))
  b(a(a(a(b(b(x)))))) -> b(a(a(b(b(a(a(a(b(x)))))))))
)
(COMMENT
TPDB SRS_Standard/Waldmann_06_SRS/jw4
)