Dominosa

How to play

Split the grid into dominoes, using each pair of numbers exactly once.

• Tap two numbers side by side to make a domino.
• Each pair of numbers appears only once in the set.
• There is one single way to cover the whole grid.

Tips

• Tap a domino you placed to take it apart.
• Start with the pairs that have only one place to go.
• The list below shows which dominoes you already used.
• Nothing is lost if you are wrong: take it apart and try again.