OFFSET
1,3
COMMENTS
Every 0 is next to 0 1's, every 1 is next to 1 5's, every 2 is next to 2 5's, every 3 is next to 3 0's, every 4 is next to 4 0's, every 5 is next to 5 4's, every 6 is next to 6 3's
EXAMPLE
Some solutions for 5X5X5
......0..........0..........0..........0..........0..........0..........0
.....0.3........0.0........0.0........0.3........0.4........0.4........3.0
....0.4.0......0.4.3......3.0.0......0.0.3......4.0.0......3.0.0......3.0.4
...0.4.0.4....3.4.0.0....3.0.4.3....4.0.0.0....0.0.0.0....3.0.0.3....0.0.0.0
..0.0.3.0.0..0.0.0.4.0..0.0.3.0.0..0.0.3.3.0..0.0.3.3.0..0.0.0.3.0..0.4.0.4.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 16 2011
STATUS
approved