2 × 2 rook graph

Enumeration complete

1 puzzle classes · 1 completion classes

Class numbers identify symmetry classes within this file under row, column and color permutations (also transposition for square grids). Puzzle class groups partial colorings; completion class groups their full colorings. Each saved partial coloring is shown beside its unique completion. Green entries fill the blanks. Different puzzles may share a completion.

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Search by clue colors

Enter one row per line, separating cells with spaces. A number requires that clue; . matches any cell; _ or 0 requires a blank.

Search uses exact saved positions and color labels. For all labelings, load the all-labeled results.