0.97/0.61	YES
0.97/0.61	
0.97/0.61	Problem:
0.97/0.61	 b(a(b(a(b(b(x1)))))) -> a(b(b(a(b(b(a(x1)))))))
0.97/0.61	
0.97/0.61	Proof:
0.97/0.61	 Bounds Processor:
0.97/0.61	  bound: 1
0.97/0.61	  enrichment: match
0.97/0.61	  automaton:
0.97/0.61	   final states: {1}
0.97/0.61	   transitions:
0.97/0.61	    a1(25) -> 26*
0.97/0.61	    a1(20) -> 21*
0.97/0.61	    a1(17) -> 18*
0.97/0.61	    a1(31) -> 32*
0.97/0.61	    a1(28) -> 29*
0.97/0.61	    a1(23) -> 24*
0.97/0.61	    b1(30) -> 31*
0.97/0.61	    b1(27) -> 28*
0.97/0.61	    b1(22) -> 23*
0.97/0.61	    b1(29) -> 30*
0.97/0.61	    b1(19) -> 20*
0.97/0.61	    b1(26) -> 27*
0.97/0.61	    b1(21) -> 22*
0.97/0.61	    b1(18) -> 19*
0.97/0.61	    f20() -> 2*
0.97/0.61	    a0(5) -> 6*
0.97/0.61	    a0(2) -> 3*
0.97/0.61	    a0(8) -> 1*
0.97/0.61	    b0(7) -> 8*
0.97/0.61	    b0(4) -> 5*
0.97/0.61	    b0(6) -> 7*
0.97/0.61	    b0(3) -> 4*
0.97/0.61	    1 -> 4*
0.97/0.61	    6 -> 17*
0.97/0.61	    21 -> 25*
0.97/0.61	    24 -> 7*
0.97/0.61	    32 -> 5*
0.97/0.61	  problem:
0.97/0.61	   
0.97/0.61	  Qed
0.97/0.62	EOF