3x4=
12
6x3=
18
13x6=
78
18x8=
144
5x6=
30
7x4=
28
20x7
140
24x9=
216
9x5=
8x8=
64
21x3=
63
38x5=
190
7x9=
7x7=
46x7=
322
72x9=
648
6x8=
48
9x9=
81
38x4=
152
83x6=
498