Sweep the board by creating as big equations as possible with minimum amount of moves.
Your goal is to clear the board with as few moves as possible using as big equations as possible.
An example equation could be 5 = 4 + 1.
Remember - equations can run left to right and top to bottom.
Tap to select a piece, and tap on an empty tile to move it.
If you plan your equations well, you can form up to two equations with one move.
Leaving small value pieces to the table can sometimes be better than sweeping the table.