9x9=9x2=4x1=4x3=
9x9=4x6=6x9=9x4=
6x9=3x2=1x9=4x5=
3x5=8x4=1x4=5x4=
1x4=4x2=4x7=9x3=
8x3=1x7=1x1=8x5=
6x5=2x8=2x1=4x4=
5x4=1x8=4x2=8x2=
5x8=1x8=4x6=3x4=
7x1=3x6=7x2=6x2=
5x7=9x8=9x3=6x7=
3x3=4x2=4x3=4x7=
2x5=3x7=2x2=7x1=
1x6=9x7=3x9=1x2=
1x3=5x1=6x1=9x6=
5x1=2x1=3x3=2x3=
8x4=3x9=1x3=5x3=
6x1=8x1=4x3=6x2=
3x3=4x7=2x2=9x7=
2x3=2x7=4x5=6x2=
7x7=6x4=4x1=4x3=
5x2=9x2=9x6=3x5=