C 4 c 16

C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16
C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16
C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16C 4 c 16