Some solutions for 3X3 with a(1,1)=0
..0..1..2....0..2..1....0..0..2....0..0..2....0..0..1....0..2..1....0..1..0
..2..1..1....1..1..1....2..2..2....0..0..2....2..0..2....0..0..1....0..1..2
..1..1..2....0..1..1....0..1..0....1..1..2....2..0..0....0..2..1....2..1..1
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