Some solutions for 5X5
..1..0..0..2....1..0..0..2....1..0..0..2....1..0..0..2....1..0..0..2
..0..0..0..0....0..0..0..0....1..0..0..0....0..0..0..0....0..0..0..0
..0..2..1..0....2..2..1..0....3..0..1..0....0..2..1..0....3..2..1..0
..0..2..0..3....3..1..0..1....1..2..0..0....0..1..1..3....0..3..0..3
..3..1..0..1....2..2..0..1....3..0..0..3....2..2..2..2....2..0..1..1
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