OFFSET
1,4
EXAMPLE
Some solutions for 4X4X4
.....0........0........0........0........0........0........0........0
....1.0......0.1......0.0......1.0......1.0......0.1......1.0......1.0
...1.2.2....0.1.2....0.1.1....1.2.2....1.1.0....2.1.3....2.1.0....2.1.1
..3.3.3.3..3.3.1.2..2.2.3.3..1.1.3.3..2.2.3.3..2.2.1.3..2.1.3.3..2.2.3.3
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 08 2011
STATUS
approved