F 4x

F 4xF 4xF 4xF 4xF 4xF 4x
F 4xF 4xF 4xF 4xF 4xF 4x
F 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4xF 4x