0 and 1
0x4=_
0x4=0
2x2=_
2x2=4
4x1=_
4x1=4
4x5=_
4x5=20
6x1=_
6x1=6
1x4=_
1x4=4
3x4=_
3x4=12
5x2=_
5x2=10
5x8=_
5x8=40
7x3=_
7x3=21
0x10=_
0x10=0
2x10=_
2x10=20
4x7=_
4x7=28
4x4=_
4x4=16
8x4=_
8x4=32
1x8=_
1x8=8
3x3=_
3x3=9
5x5=_
5x5=25
5x9=_
5x9=45
9x9=_
9x9=81
1x9=_
1x9=9
2x12=_
2x12=24
4x10=_
4x10=40
4x10=_
4x10=40
10x10=_
10x10=100