2.61/0.98	YES
2.61/0.98	
2.61/0.98	Problem:
2.61/0.98	 a(l(x1)) -> l(a(x1))
2.61/0.98	 r(a(a(x1))) -> a(a(r(x1)))
2.61/0.98	 b(l(x1)) -> b(a(r(x1)))
2.61/0.98	 r(b(x1)) -> l(b(x1))
2.61/0.98	
2.61/0.98	Proof:
2.61/0.98	 Bounds Processor:
2.61/0.98	  bound: 2
2.61/0.98	  enrichment: match
2.61/0.98	  automaton:
2.61/0.98	   final states: {8,7,4,1}
2.61/0.98	   transitions:
2.61/0.98	    f40() -> 2*
2.61/0.98	    l0(9) -> 8*
2.61/0.98	    l0(3) -> 1*
2.61/0.98	    a0(5) -> 6*
2.61/0.98	    a0(2) -> 3*
2.61/0.98	    a0(6) -> 4*
2.61/0.98	    r0(2) -> 5*
2.61/0.98	    b0(2) -> 9*
2.61/0.98	    b0(6) -> 7*
2.61/0.98	    l1(17) -> 18*
2.61/0.98	    l1(14) -> 15*
2.61/0.98	    a1(30) -> 31*
2.61/0.98	    a1(27) -> 28*
2.61/0.98	    a1(16) -> 17*
2.61/0.98	    a1(13) -> 14*
2.61/0.98	    b1(28) -> 29*
2.61/0.98	    r1(26) -> 27*
2.61/0.98	    a2(40) -> 41*
2.61/0.98	    a2(39) -> 40*
2.61/0.98	    r2(38) -> 39*
2.61/0.98	    1 -> 3*
2.61/0.98	    4 -> 5*
2.61/0.98	    7 -> 9*
2.61/0.98	    8 -> 5*
2.61/0.98	    9 -> 13*
2.61/0.98	    14 -> 26,16
2.61/0.98	    15 -> 6*
2.61/0.98	    16 -> 38*
2.61/0.98	    17 -> 30*
2.61/0.98	    18 -> 4*
2.61/0.98	    29 -> 7,9,13
2.61/0.98	    31 -> 14*
2.61/0.98	    41 -> 39,27
2.61/0.98	  problem:
2.61/0.98	   
2.61/0.98	  Qed
2.61/0.98	EOF