2 x _
2 x 2
4
3 x 3
9
5 x 3
15
9 x 3
27
10 x 0
0
2 x 4
8
3 x 4
12
5 x 4
20
9 x 4
36
10 x 5
50
2 x 5
10
3 x 6
18
5 x 5
25
9 x 5
45
10 x 6
60
2 x 8
16
3 x 7
21
5 x 6
30
9 x 6
54
10 x 7
70
2 x 9
18
3 x 9
27
5 x 8
40
9 x 8
72
10 x 10
100