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How to paint

1. Tag one spot in every coloured region — and only one per row and column.
2. Cans can't touch, not even diagonally.
3. Each can sprays its whole row and column. The can sprayed last wins.
4. Match the piece. Tap a can to respray it on top, long-press to take it down.
5. Turn spins the whole wall a quarter — same tag, different angle.
6. Every tap, undo and hint counts against par. Tag it in par with no hints for ★★★.
7. The move counter reads used/cap — the cap is three times par. Empty it without matching the piece and you lose a life.
8. The clock counts down — bigger walls get more time. Run out and you lose a life; you get three per piece.
9. Patterns stamps every block with its own shape, so the wall reads without relying on colour.