How to play Twin Tiles

Fill every square with a coral tile (with a dot) or a teal tile (with a diamond) so that:

Controls

Tap an empty square to place a coral tile, tap again for teal, and once more to empty it. Squares with a small corner dot are part of the puzzle and can't be changed. Tiles that break a rule are outlined in red.

Tips

Every puzzle has exactly one solution. The daily puzzle changes at midnight on your device and is the same for everyone.