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