OFFSET
0,1
EXAMPLE
Triangle begins
1,
0, 1,
-1, 0, 1,
-1, -1, 0, 1,
1, -1, -1, 0, 1,
1, 1, -1, -1, 0, 1,
-1, 1, 1, -1, -1, 0, 1,
-1, -1, 1, 1, -1, -1, 0, 1,
1, -1, -1, 1, 1, -1, -1, 0, 1
CROSSREFS
KEYWORD
AUTHOR
Paul Barry, Mar 29 2006
STATUS
approved