Sort it!!

The game has five difficulty levels: 3x3, 4x4, 5x5, 6x6, 7x7. Cells are given according to the difficulty level and each cell is numbered. One of the cell is empty. The player can move the cell through an empty cell by swipping left,right,up, or down. Goal of the game - moving the cells in a board to achieve a ordering of numbers in ascending order, it is desirable to making as little as possible moves with less time. Player can also view the preview which displays the order of arranging the numbers.