OFFSET
1,1
EXAMPLE
Some solutions for 4X4X4
.....2........4........3........2........4........3........2........3
....3.2......1.4......2.2......3.3......3.3......2.2......3.2......3.3
...2.3.2....1.1.1....2.2.2....3.2.2....3.3.4....2.2.2....3.3.2....2.2.3
..3.2.2.2..1.1.1.4..3.3.3.3..2.3.2.3..2.3.3.3..2.2.3.2..2.2.2.2..3.3.2.2
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Aug 07 2011
STATUS
approved