2 × 3 = 6
3 × 3 = 6
2 × 6 = 12
6 × 6 = 12
5 × 5 = 15
3 × 5 = 15
5 × 3 = 15
4 × 4 = 16
8 × 2 = 16
8 × 8 = 16
5 × 5 × 5 = 15