1.69/0.77	YES
1.69/0.77	
1.69/0.77	Problem:
1.69/0.77	 a(a(b(b(a(b(x1)))))) -> a(b(b(a(a(b(b(a(x1))))))))
1.69/0.77	
1.69/0.77	Proof:
1.69/0.77	 String Reversal Processor:
1.69/0.77	  b(a(b(b(a(a(x1)))))) -> a(b(b(a(a(b(b(a(x1))))))))
1.69/0.77	  Bounds Processor:
1.69/0.77	   bound: 1
1.69/0.77	   enrichment: match
1.69/0.77	   automaton:
1.69/0.77	    final states: {1}
1.69/0.77	    transitions:
1.69/0.77	     f20() -> 2*
1.69/0.77	     a0(5) -> 6*
1.69/0.77	     a0(2) -> 3*
1.69/0.77	     a0(9) -> 1*
1.69/0.77	     a0(6) -> 7*
1.69/0.77	     b0(7) -> 8*
1.69/0.77	     b0(4) -> 5*
1.69/0.77	     b0(8) -> 9*
1.69/0.77	     b0(3) -> 4*
1.69/0.77	     a1(10) -> 11*
1.69/0.77	     a1(17) -> 18*
1.69/0.77	     a1(14) -> 15*
1.69/0.77	     a1(13) -> 14*
1.69/0.77	     b1(15) -> 16*
1.69/0.77	     b1(12) -> 13*
1.69/0.77	     b1(16) -> 17*
1.69/0.77	     b1(11) -> 12*
1.69/0.77	     1 -> 12,4
1.69/0.77	     5 -> 10*
1.69/0.77	     18 -> 13,5
1.69/0.77	   problem:
1.69/0.77	    
1.69/0.77	   Qed
1.69/0.78	EOF