C 4 c 5 c 6 c 7 July 8, 2019 16 32 64 128 C 1 c 2 c 3 c 4 c 5 c 6 c 7 c 8 C 2 c 3 c 4 c 5 c 6 c 7 c 8 C 4 6 C 5 4 (c + 4 9) - (5 4 + c)