OFFSET
1,2
COMMENTS
Every 0 is next to 0 6's, every 1 is next to 1 5's, every 2 is next to 2 2's, every 3 is next to 3 0's, every 4 is next to 4 1's, every 5 is next to 5 1's, every 6 is next to 6 2's.
EXAMPLE
Some solutions with all values from 0 to 6 for 7 X 7 X 7
........0..............0..............0..............0..............0
.......1.1............3.0............0.3............1.1............2.2
......1.5.1..........0.1.1..........1.1.0..........1.5.1..........2.6.2
.....2.2.1.4........0.1.5.1........1.5.1.0........4.1.2.2........0.2.2.1
....2.6.2.1.1......2.2.1.4.1......2.2.1.4.1......1.1.2.6.2......1.1.1.5.1
...0.2.2.1.5.1....2.6.2.1.5.1....2.6.2.1.5.1....1.5.1.2.2.0....1.5.4.1.1.0
..0.3.0.0.0.1.0..0.2.2.0.1.1.0..0.2.2.0.1.1.0..0.0.1.0.0.3.0..0.1.1.0.0.3.0
CROSSREFS
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 30 2011
STATUS
approved