3x3=9
2x8=4x4=16
6x4=24
5x5=25
5x3=15
2x3=3x2=6
4x3=12
5x4=20
2x2=4x1=4
4x4=16
1x5=5
3x4=4x3=12
2x4=8
3x4=12
3x5=15
6x5=30
6x3=18
2x3=6
1x4=4
1x3=3
4x5=20
2x5=10
2x5=5x2=10
2x9=6x3=18
