YES
(ignored inputs)COMMENT TPDB SRS_Standard/Zantema_04/z096
Rewrite Rules:
   [ a(a(b(b(?x)))) -> b(b(b(b(b(a(a(a(a(a(?x)))))))))) ]
Apply Direct Methods...
Inner CPs:
   [  ]
Outer CPs:
   [  ]
Linear
(inner) Parallel CPs:
   [  ]
Toyama (Parallel CPs)
Direct Methods: CR

Combined result: CR
945.trs: Success(CR)
(0 msec.)