To move
tiles around the screen click left mouse button on the tile you want to move
and drag it to the destination place. Then you put neighbor tiles into right position
relatively each other they are snapped together. You can adjust snap distance
by clicking Options->Advanced->Mouse. Snapped tiles form a solid
fragment. Once being snapped fragments cannot be split back to the original
tiles until you restart the game. When you put tiles into their right place on
the solving picture they become anchored to the background. Anchored tiles
cannot be moved. The game is finished when you anchor all the tiles to the background.
See also: Rotating tiles, Arranging
tiles, Randomizing tiles.