MAYBE Problem: 0(1(0(1(2(0(2(2(x1)))))))) -> 1(2(0(2(0(1(2(0(x1)))))))) 1(2(2(0(1(1(2(2(x1)))))))) -> 1(2(1(2(0(2(1(2(x1)))))))) 2(2(0(0(1(0(1(0(0(x1))))))))) -> 1(0(1(1(2(1(2(1(2(0(x1)))))))))) 2(1(0(1(1(0(2(0(0(1(x1)))))))))) -> 2(0(1(2(1(1(1(2(0(0(1(x1))))))))))) 0(2(0(0(0(1(0(0(0(1(2(x1))))))))))) -> 1(0(2(0(2(1(0(0(1(2(1(2(x1)))))))))))) 0(0(0(1(1(2(0(0(2(1(1(1(0(x1))))))))))))) -> 1(1(0(2(2(2(1(1(2(2(2(1(1(1(x1)))))))))))))) 0(0(1(2(0(2(2(0(0(2(2(0(2(x1))))))))))))) -> 1(2(2(1(0(2(0(2(1(2(1(2(1(1(x1)))))))))))))) 0(0(1(0(1(0(0(1(1(0(0(0(1(0(x1)))))))))))))) -> 2(2(1(2(1(1(2(1(1(1(2(1(2(0(2(0(2(x1))))))))))))))))) 0(2(2(0(0(1(2(2(0(0(2(0(2(2(x1)))))))))))))) -> 0(1(0(2(1(2(1(2(2(1(2(1(0(2(0(x1))))))))))))))) 2(2(0(2(0(0(0(2(1(0(0(2(1(0(0(x1))))))))))))))) -> 2(2(1(2(1(2(2(1(2(0(0(0(2(2(0(0(x1)))))))))))))))) 2(2(2(2(0(1(0(0(1(0(1(2(0(1(0(0(2(x1))))))))))))))))) -> 1(2(1(0(2(1(2(2(0(1(0(1(2(1(1(1(0(0(x1)))))))))))))))))) 1(0(1(2(2(0(1(0(0(2(2(2(0(2(2(1(1(2(0(x1))))))))))))))))))) -> 2(0(0(2(0(0(2(2(0(1(1(2(1(0(2(2(2(1(1(x1))))))))))))))))))) 1(0(0(2(1(2(1(0(2(2(0(0(2(2(2(0(2(0(0(0(x1)))))))))))))))))))) -> 2(2(2(1(2(1(2(1(0(2(1(2(0(2(1(1(1(1(2(0(2(2(x1)))))))))))))))))))))) 2(0(2(2(2(2(2(2(1(2(1(0(0(2(2(2(2(0(1(2(x1)))))))))))))))))))) -> 2(1(2(1(1(2(2(1(2(2(2(1(1(2(1(2(0(1(1(2(0(x1))))))))))))))))))))) 2(1(2(1(1(2(2(0(2(2(1(2(2(1(1(1(2(1(0(0(1(x1))))))))))))))))))))) -> 2(2(0(1(0(2(2(0(1(2(2(2(1(1(1(2(1(1(2(1(1(x1))))))))))))))))))))) 2(2(2(1(0(1(0(2(2(0(1(2(2(0(0(1(1(1(0(1(1(x1))))))))))))))))))))) -> 1(0(0(1(2(2(2(1(0(0(0(0(0(0(1(0(1(2(1(2(1(1(x1)))))))))))))))))))))) 1(0(0(1(2(2(2(0(0(0(1(0(1(1(0(0(2(0(0(0(0(0(x1)))))))))))))))))))))) -> 2(1(2(1(2(0(2(0(2(1(2(1(1(0(0(1(1(1(0(1(1(2(2(2(x1)))))))))))))))))))))))) 0(2(0(2(2(1(1(0(0(2(0(0(1(0(2(2(1(2(0(0(0(2(2(x1))))))))))))))))))))))) -> 2(0(2(2(2(1(2(2(2(0(2(1(2(1(0(1(2(2(0(1(0(0(2(2(x1)))))))))))))))))))))))) 0(0(0(2(2(0(1(1(2(0(1(1(0(2(2(1(0(1(2(2(1(0(0(1(x1)))))))))))))))))))))))) -> 1(1(0(1(0(1(1(1(2(1(2(1(1(2(0(0(2(0(1(0(2(2(1(2(1(x1))))))))))))))))))))))))) 2(0(0(2(2(1(0(1(0(1(1(1(0(2(0(2(1(2(1(0(0(1(1(1(x1)))))))))))))))))))))))) -> 2(2(0(1(0(1(2(1(0(2(1(1(0(0(2(2(0(1(0(2(1(2(1(1(1(x1))))))))))))))))))))))))) 2(2(0(2(2(0(0(2(2(1(1(2(0(0(0(1(2(1(0(2(2(0(2(2(x1)))))))))))))))))))))))) -> 1(0(2(1(2(1(2(2(2(0(1(2(1(2(1(2(2(1(0(1(2(0(1(2(2(2(x1)))))))))))))))))))))))))) 0(1(1(1(0(2(1(1(1(1(2(2(2(0(0(1(1(0(1(0(0(0(1(0(2(x1))))))))))))))))))))))))) -> 0(0(1(2(0(0(2(1(2(2(2(1(1(1(2(1(2(1(2(0(1(2(1(0(2(1(2(1(x1)))))))))))))))))))))))))))) 0(0(2(2(1(0(2(1(1(0(0(0(2(1(1(0(2(0(1(1(1(2(0(2(2(0(x1)))))))))))))))))))))))))) -> 1(2(1(2(1(1(2(1(1(2(1(0(2(2(0(1(0(0(0(2(0(0(1(2(0(2(1(x1))))))))))))))))))))))))))) 0(0(1(0(1(2(1(2(0(0(2(0(1(0(0(2(0(1(1(2(1(0(2(2(0(0(1(x1))))))))))))))))))))))))))) -> 2(2(2(0(0(1(1(1(2(2(0(1(0(2(1(2(2(2(1(2(1(1(2(2(0(0(1(1(x1)))))))))))))))))))))))))))) 2(1(0(0(0(1(0(2(2(1(1(1(2(2(2(2(2(1(1(0(1(0(1(1(2(0(0(x1))))))))))))))))))))))))))) -> 1(1(1(1(2(2(2(2(0(1(0(2(0(1(2(2(2(1(2(1(1(2(1(1(2(0(1(1(x1)))))))))))))))))))))))))))) 0(2(1(2(0(1(1(0(0(0(0(0(2(2(1(2(0(0(1(2(1(2(0(1(0(1(2(2(x1)))))))))))))))))))))))))))) -> 1(2(1(1(1(0(1(2(0(2(1(2(1(2(1(0(2(0(1(0(0(2(1(1(2(1(1(0(2(x1))))))))))))))))))))))))))))) 0(1(1(1(1(2(0(1(1(1(2(1(2(0(1(0(2(0(1(0(1(1(0(1(2(1(0(0(0(x1))))))))))))))))))))))))))))) -> 1(2(0(0(1(2(1(2(0(2(1(0(1(2(1(2(0(2(1(2(1(0(1(2(1(0(1(1(2(0(1(x1))))))))))))))))))))))))))))))) 1(0(1(2(0(1(1(0(2(0(0(1(1(2(2(0(1(1(1(1(1(2(1(0(1(0(2(0(2(x1))))))))))))))))))))))))))))) -> 2(0(0(2(0(1(0(2(0(0(0(0(1(1(2(1(0(1(2(1(1(2(1(2(0(2(2(0(0(1(x1)))))))))))))))))))))))))))))) 2(1(0(2(1(1(2(1(0(0(2(0(1(2(2(0(0(1(1(0(2(0(0(2(1(0(1(2(2(x1))))))))))))))))))))))))))))) -> 2(0(2(0(2(0(2(0(2(1(2(0(1(1(2(0(1(1(2(1(2(1(0(0(1(0(0(2(2(1(x1)))))))))))))))))))))))))))))) 0(0(2(0(1(2(2(0(1(0(0(2(1(1(0(2(2(1(0(1(1(2(1(0(0(1(0(2(0(1(x1)))))))))))))))))))))))))))))) -> 1(2(1(1(1(2(2(1(2(2(0(0(1(1(0(1(2(2(2(2(0(2(0(0(2(1(2(1(2(0(0(1(x1)))))))))))))))))))))))))))))))) 0(0(2(1(0(2(1(1(0(0(2(2(1(2(1(0(1(0(1(2(0(1(0(0(2(0(2(2(2(1(x1)))))))))))))))))))))))))))))) -> 0(0(0(1(2(0(2(1(0(2(2(0(2(2(0(1(2(1(1(1(0(1(2(0(2(0(0(2(1(1(x1)))))))))))))))))))))))))))))) 0(2(2(2(0(0(1(0(1(0(0(2(1(1(1(1(0(1(1(1(1(1(0(0(1(0(0(1(0(1(x1)))))))))))))))))))))))))))))) -> 1(2(1(1(2(1(0(1(1(0(1(1(0(2(1(2(2(0(1(2(0(0(2(1(0(1(0(1(1(2(1(1(x1)))))))))))))))))))))))))))))))) 2(1(0(2(0(0(0(2(2(0(2(2(2(1(0(0(2(1(1(1(1(1(2(2(0(1(0(0(2(2(x1)))))))))))))))))))))))))))))) -> 1(2(1(2(1(2(0(0(2(0(1(2(1(2(2(1(1(2(1(2(1(0(2(2(0(2(0(1(2(2(2(x1))))))))))))))))))))))))))))))) 0(2(0(1(0(0(0(2(1(1(0(2(2(1(1(2(2(2(1(0(0(1(0(0(1(0(0(0(0(2(0(0(x1)))))))))))))))))))))))))))))))) -> 1(1(2(1(2(0(0(0(1(0(2(1(2(0(1(2(2(1(0(0(0(2(0(0(0(1(0(2(0(1(2(1(2(0(x1)))))))))))))))))))))))))))))))))) 2(2(0(2(0(1(2(0(0(1(2(2(1(1(1(1(2(2(1(2(2(2(2(2(2(1(0(1(1(2(2(2(x1)))))))))))))))))))))))))))))))) -> 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0(0(0(2(2(0(2(1(1(1(1(0(1(0(1(0(2(2(0(2(1(0(1(0(0(2(0(2(2(1(0(2(1(2(x1)))))))))))))))))))))))))))))))))) -> 2(1(2(2(0(0(2(0(0(1(1(1(0(2(0(1(2(0(0(0(1(2(1(1(1(2(1(0(0(1(2(0(2(1(2(x1))))))))))))))))))))))))))))))))))) 0(1(2(2(1(2(1(1(0(0(1(0(0(1(1(0(1(0(2(2(0(1(0(0(1(2(0(2(0(1(1(1(0(2(x1)))))))))))))))))))))))))))))))))) -> 0(1(1(1(1(0(0(0(1(2(0(0(1(1(1(0(0(0(2(0(0(1(1(2(1(2(2(2(1(1(0(2(0(2(x1)))))))))))))))))))))))))))))))))) 2(0(1(1(2(2(0(2(0(2(1(1(1(1(0(0(2(0(0(0(1(2(2(2(1(0(0(2(2(2(0(2(0(2(x1)))))))))))))))))))))))))))))))))) -> 1(1(0(1(2(1(2(1(1(2(2(1(0(1(0(2(1(2(2(1(0(0(1(0(0(1(2(0(0(1(2(1(2(2(0(1(x1)))))))))))))))))))))))))))))))))))) 0(0(2(2(1(1(1(1(1(2(0(1(2(0(2(2(0(2(1(1(0(2(2(2(0(2(1(1(2(1(0(0(0(0(1(x1))))))))))))))))))))))))))))))))))) -> 1(1(1(0(0(2(1(1(2(0(1(2(0(1(1(0(1(0(0(0(2(0(0(1(2(1(1(0(0(1(0(1(2(1(2(1(x1)))))))))))))))))))))))))))))))))))) 2(0(0(2(0(1(0(2(0(0(2(2(2(0(0(2(2(2(1(0(0(1(2(2(0(1(0(0(1(2(2(1(0(2(1(0(x1)))))))))))))))))))))))))))))))))))) -> 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1(0(2(2(2(0(1(2(1(2(1(1(0(1(0(0(0(1(1(1(2(2(1(2(1(1(1(2(0(1(1(2(1(2( 2 ( 1 ( 0(1(1(2(1(0(2(2(1(x1))))))))))))))))))))))))))))))))))))))))))))) 2(0(2(1(1(1(2(2(1(1(2(2(0(0(0(1(1(0(1(0(2(2(2(0(2(1(2(1(0(0(0(0(1(2(2(0(1(2(0(1(1(2(2(x1))))))))))))))))))))))))))))))))))))))))))) -> 2(0(2(1(2(1(2(2(2(1(0(0(2(1(2(0(2(0(1(2(1(1(0(0(2(1(1(1(0(0(1(0(2(2(0(0(0(2(2(1(1(2(1(x1))))))))))))))))))))))))))))))))))))))))))) 0(0(0(1(1(1(2(1(1(1(2(2(0(1(2(0(2(2(1(0(2(1(1(2(1(0(0(2(1(2(1(1(0(1( 2 ( 2(2(2(1(0(2(1(0(1(x1)))))))))))))))))))))))))))))))))))))))))))) -> 2(1(0(0(1(0(0(2(0(1(2(1(2(1(2(0(1(1(0(2(2(2(0(0(1(0(2(0(2(1(1(0(1(2( 2 ( 2 ( 1(1(2(2(2(1(2(2(1(x1))))))))))))))))))))))))))))))))))))))))))))) 0(1(0(2(1(1(0(0(1(1(2(1(2(0(0(1(0(2(0(2(0(1(2(0(2(0(1(0(1(0(0(0(2(1( 2 ( 0(0(0(0(2(2(0(0(2(x1)))))))))))))))))))))))))))))))))))))))))))) -> 1(1(1(2(1(2(0(2(1(1(1(2(1(2(1(2(0(0(1(0(2(2(2(2(0(0(1(2(2(1(1(2(0(0( 2 ( 2 ( 0 ( 2 ( 1 ( 1(0(1(1(2(1(2(1(0(x1)))))))))))))))))))))))))))))))))))))))))))))))) 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1(2(2(1(2(1(1(0(2(1(0(0(1(0(0(2(2(2(1(2(0(2(2(1(1(2(0(1(1(2(2(1(0(1( 1 ( 0 ( 2 ( 0 ( 0 ( 2 ( 1(2(1(1(2(0(0(0(2(x1))))))))))))))))))))))))))))))))))))))))))))))))) 0(1(0(2(1(2(2(1(0(2(1(2(2(0(0(2(0(1(1(1(1(1(1(2(0(1(1(0(0(1(0(1(1(1( 0 ( 2 ( 2 ( 2 ( 0(0(2(1(1(0(0(2(2(x1))))))))))))))))))))))))))))))))))))))))))))))) -> 1(2(0(0(2(1(2(2(1(1(0(1(2(2(0(1(0(1(2(1(1(2(1(1(1(1(0(2(2(2(1(0(2(1( 1 ( 1 ( 1 ( 2 ( 2 ( 0 ( 2(0(2(2(2(0(2(0(2(x1))))))))))))))))))))))))))))))))))))))))))))))))) 0(2(0(1(1(1(0(1(1(0(2(0(0(0(1(1(0(1(1(2(2(2(2(0(0(1(0(0(1(0(1(0(0(0( 1 ( 0 ( 2 ( 2 ( 2(2(1(1(1(0(0(2(2(x1))))))))))))))))))))))))))))))))))))))))))))))) -> 2(1(2(1(1(1(1(0(2(0(1(2(0(2(0(1(1(0(2(0(1(1(1(2(1(1(1(2(1(2(0(1(1(1( 1 ( 1 ( 0 ( 0 ( 0 ( 2(0(0(1(0(1(2(2(1(x1)))))))))))))))))))))))))))))))))))))))))))))))) 0(2(2(1(2(2(2(2(1(0(1(1(0(0(2(0(2(2(2(1(0(1(1(2(2(0(1(1(0(0(0(2(1(2( 0 ( 2 ( 0 ( 1 ( 0 ( 0(2(0(1(2(2(0(1(0(x1)))))))))))))))))))))))))))))))))))))))))))))))) -> 1(0(2(0(2(2(2(2(0(1(1(0(2(1(0(0(1(1(1(2(0(1(1(1(1(0(2(2(2(2(1(1(2(1( 0 ( 0 ( 2 ( 2 ( 2 ( 2 ( 2(2(2(2(2(1(2(1(1(x1))))))))))))))))))))))))))))))))))))))))))))))))) 0(1(0(0(1(2(2(0(0(1(0(1(0(0(0(1(0(2(2(2(0(2(2(2(1(2(1(0(0(2(1(0(2(2( 2 ( 1 ( 0 ( 0 ( 2 ( 1 ( 0(2(1(2(0(1(1(2(2(x1))))))))))))))))))))))))))))))))))))))))))))))))) -> 0(1(2(0(0(0(2(0(2(0(1(1(1(0(0(1(0(2(2(1(2(0(2(2(1(0(0(0(2(2(2(0(2(1( 2 ( 1 ( 0 ( 0 ( 2 ( 1 ( 0(2(1(0(1(2(1(2(2(x1))))))))))))))))))))))))))))))))))))))))))))))))) 1(0(2(2(1(2(0(2(0(1(0(1(2(0(0(2(1(2(1(0(1(2(2(0(2(2(0(2(0(1(0(0(2(1( 2 ( 2 ( 2 ( 2 ( 1 ( 0 ( 2(0(0(0(2(2(0(1(1(x1))))))))))))))))))))))))))))))))))))))))))))))))) -> 1(0(2(2(2(0(1(2(2(0(0(0(1(0(1(2(2(2(0(1(0(2(0(2(0(2(1(1(0(1(1(0(1(0( 2 ( 1 ( 1 ( 2 ( 1 ( 2 ( 2 ( 2(0(1(2(0(0(2(1(1(x1)))))))))))))))))))))))))))))))))))))))))))))))))) 1(0(0(1(1(0(0(1(0(0(2(1(1(2(1(2(2(1(2(2(0(1(2(2(0(0(2(2(1(1(1(0(0(0( 2 ( 1 ( 0 ( 1 ( 2 ( 0 ( 2 ( 0(2(0(0(2(1(1(0(2(x1)))))))))))))))))))))))))))))))))))))))))))))))))) -> 1(2(1(1(1(0(0(0(0(0(1(2(1(2(1(2(2(0(2(2(0(0(0(0(0(2(2(0(2(1(1(1(0(1( 0 ( 1 ( 0 ( 1 ( 2 ( 0 ( 1 ( 2(1(2(2(2(1(0(0(2(x1)))))))))))))))))))))))))))))))))))))))))))))))))) Proof: Open