Some solutions for n=3
..0....2....1....0....0....1....1....0....0....3....0....0....1....1....0....0
..0....0....2....1....2....0....6....0....0....0....3....0....0....0....0....4
..3....0....1....1....2....0....0....0....1....1....0....4....2....2....0....0
..3....2....1....0....0....4....0....0....0....1....0....0....0....0....2....1
..0....2....0....5....1....1....0....4....0....0....0....0....0....0....1....3
..1....0....0....0....1....0....0....0....1....1....2....4....1....3....0....0
..0....0....3....1....0....1....1....2....3....2....0....0....2....2....2....0
..1....2....0....0....2....1....0....2....3....0....3....0....2....0....3....0
|