1 bx x b

1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b1 bx x b