0 b1

0 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b10 b1