2 x 3
4 x 2
8 x 1
1 x 6
28 x 2
9 x 1
8 x 7
14 x 4
7 x 8
9 x 9
6 x 1
27 x 3
3 x 3
2 x 4
3 x 2
1 x 8
1 x 9