Count a dozen

Count a dozen is a number puzzle.

Process.

1. The playing field was a grid in which the tiles are located.
2. The tiles are assigned different numerical values ​​- from 1 to 12.
3. The task of the players is to move the tiles along the horizontal and vertical rows of the grid and add tiles with the same numerical values.
4. You need to complete this task within a time limit – it works against players.
5. The final value of the last policy should be 12.