Move puzzle

It's a good way to train your brain, memory, and attention a little. Goal is to arrange cells in ascending order (left to right, top to bottom) by moving puzzle pieces. The number in the game title presents the number of cells where each cell is numbered. One of the cells is not occupied. The player should move the numbered cells to the free cell by pressing them. The game goal is to move the cells of the box to achieve the ordering of numbers in ascending order. It is desirable to make as few as possible moves.