n=4的一些解
.7…-2….5….0….7….0….7….1….4….3….4….4….3…-3…-4…-1
..5....5....0...-1...-2...-4...-2....0...-1...-2....4....6....0...-4....3...-1
.-3...-2...-4....2...-4....0....0....0...-4...-3...-4...-6....4...-1...-4....3
.-4...-3...-1....0...-1....0...-5....2...-1....3....0....2...-6....3...-2....2
..3...-3...-4...-1...-4....4...-6....3...-3...-1...-4....0...-3...-1....4...-5
..6….5….4….0….4….0….6…-6….5….0….0…-6….2….0….3….2
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