4 + 4 = 16
2 + 4 + 4 = 10
8 + 8 = 16
8 + 8 + 8 = 24
4 + 8 = 12
2 + 4 + 8 = 14
2 + 8 + 8 = 18
4 + 4 + 4 + 4 = 16
8 + 8 + 8 + 8 = 32