OFFSET
1,1
EXAMPLE
Some solutions for n=3:
1 2 0 3 2 3 2 0 3 1 3 2 3 2 1 1 1 1 2 2
2 0 1 1 3 0 3 2 1 2 3 0 2 1 0 3 1 1 3 0
0 1 2 0 2 3 1 2 3 3 1 0 1 0 2 3 2 3 0 1
3 1 0 1 0 2 2 0 2 0 0 2 1 3 3 1 2 0 1 2
CROSSREFS
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Mar 31 2012
STATUS
approved