Some solutions for 3X6 with a(1,1)=0
..0..0..3..4..2..2....0..0..2..2..2..4....0..0..3..1..0..0....0..0..3..5..3..3
..0..3..3..4..4..2....0..3..3..1..2..4....0..3..3..1..3..4....0..3..3..5..2..3
..0..0..0..2..2..2....0..0..0..1..2..2....0..0..0..3..3..4....0..0..0..5..2..2
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