a c x1 c b x1 a x1 b b b x1 b c b x1 a c x1 2.2 a x1 b b x1 a c x1 b x1 a x1 b x1 a x1 b b b x1 b c b x1 a c x1 true b c b x1 a c x1 a x1 b b b x1 a x1 b x1 a c x1 b x1 a x1 b b x1 true a 1 1 0 b 1 1 0 c 1 1 7720 a 1 1 0 b 1 1 0 a x1 b b x1 a x1 b x1 a x1 b b b x1 b c b x1 a c x1 a c x1 c b x1 b c b x1 a c x1 a x1 b b b x1 b c b x1 a c x1 a x1 b x1 a x1 b b x1 a x1 b b b x1 true 2 1 a 1 1 3 3 b 1 1 1 1 c 1 1 1 1 1 1 1 9084 a 1 1 1 0 0 1 2 2 b 1 1 1 0 0 1 0 0 a x1 b b b x1 b c b x1 a c x1 a c x1 c b x1 b c b x1 a c x1 a x1 b b b x1 b c b x1 a c x1 a x1 b b b x1 true Failed! NaTT certifiable-1.6