1 1, 2 2, 3 3, 4 4
8 2, 2 8, 3 5, 5 3, 2 7, 7 2, 6 2, 2 6, 3 4, 4 3
1x3=3
2x3=6
3x3=9
4x3=12
5x3=15
6x3=18
1 1, 2 2, 3 3, 4 4
8 2, 2 8, 3 5, 5 3, 2 7, 7 2, 6 2, 2 6, 3 4, 4 3
1x3=3
2x3=6
3x3=9
4x3=12
5x3=15
6x3=18