D 1 2 c 1 2

D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2
D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2
D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2D 1 2 c 1 2