Rules

• Fill every empty cell with 0 or 1.
• Each row and each column must contain an equal number of 0s and 1s.
• No three identical digits may sit next to each other in a row or column.
• No two rows may be identical, and no two columns may be identical.
• Every puzzle has exactly one solution.

Tap a cell to select, then press 0 or 1 (or click again to cycle). Undo steps back, Hint reveals a cell (3 per puzzle), Restart reloads.