a b a a b a b a x1 a a b a b a b a b a a b x1 2.2 a b a a b a b a x1 a b a b a b a b a a b x1 a b a a b a b a x1 a a b x1 a b a a b a b a x1 a b x1 a b a a b a b a x1 a b a a b x1 a b a a b a b a x1 a b a b a b a a b x1 a b a a b a b a x1 a a b a b a b a b a a b x1 a b a a b a b a x1 a b a b a a b x1 true a b a a b a b a x1 a b a b a a b x1 a b a a b a b a x1 a a b a b a b a b a a b x1 a b a a b a b a x1 a b a b a b a a b x1 a b a a b a b a x1 a a b x1 a b a a b a b a x1 a b a a b x1 a b a a b a b a x1 a b x1 a b a a b a b a x1 a b a b a b a b a a b x1 true a 1 5854 b 1 36467 a 1 1 0 a b a a b a b a x1 a b a b a b a b a a b x1 a b a a b a b a x1 a b x1 a b a a b a b a x1 a b a a b x1 a b a a b a b a x1 a b a b a b a a b x1 a b a a b a b a x1 a b a b a a b x1 a b a a b a b a x1 a a b a b a b a b a a b x1 a b a a b a b a x1 a b x1 a b a a b a b a x1 a b a a b x1 a b a a b a b a x1 a b a b a a b x1 a b a a b a b a x1 a b a b a b a a b x1 a b a a b a b a x1 a b a b a b a b a a b x1 true Failed! NaTT certifiable-1.6