Revision as of 11:15, 27 March 2016 (view source) rosettacode>Fwend m (→‎{{header\|Java}}: rand doesn't have to be global) ← Older edit		Revision as of 11:19, 27 March 2016 (view source) rosettacode>Fwend mNo edit summary Newer edit →
Line 13: A Pentomino tiling is an example of an [[wp:Exact_cover\|exact cover]] problem and can take on many forms. A traditional tiling ~~forms~~presents an 8 by 8 grid, where 4 cells are left uncovered. The other cells are covered by the 12 pentomino shapes, without overlaps, with every shape only used once.

Pentomino tiling (view source)