Some solutions for 3X9
..0..1..1..1..1..1..2..2..2....0..0..0..0..0..1..1..1..3
..1..1..1..1..1..1..0..1..1....0..1..1..1..2..0..1..1..0
..1..1..1..1..1..1..3..2..2....1..0..0..1..0..1..1..1..3
...
...3..4..4..4..4..4..5..6.......1..2..2..3..3..3..4..5...
...4..4..4..4..4..5..6..6.......2..2..3..4..3..3..4..5...
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