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