b b a a a b x1 b a a a b a b x1 b b x1 b a b a b a b x1 b a b a a a b a b x1 b b a a b x1 b a a b x1 b a a a b x1 2.2 b b x1 b a b a b x1 b b a a a b x1 b a a a b a b x1 b b a a a b x1 b a b x1 b a b a a a b a b x1 b a a b x1 b b x1 b a b x1 b b x1 b a b a b a b x1 b a a b x1 b a a a b x1 b a b a a a b a b x1 b b a a b x1 true b a b a a a b a b x1 b b a a b x1 b b x1 b a b a b a b x1 b b x1 b a b x1 b b a a a b x1 b a b x1 b b x1 b a b a b x1 true 2 1 a 1 0 1 1 0 1 0 1 b 1 1 1 0 0 1 0 0 b 1 1 1 0 0 1 0 0 b b x1 b a b a b x1 b b x1 b a b x1 b b x1 b a b a b a b x1 b a b a a a b a b x1 b b a a b x1 b a a b x1 b a a a b x1 b b a a a b x1 b a a a b a b x1 b a b a a a b a b x1 b b a a b x1 b b x1 b a b a b a b x1 b a b a a a b a b x1 b b a a b x1 b b x1 b a b x1 b b x1 b a b a b x1 b b x1 b a b a b a b x1 true Failed! NaTT certifiable-1.6