Bug report—maybe? If you have multiple rows of tiles, you can't drag a tile from a lower row to the game area. It bumps into a tile in a higher row and refuses

Bug report—maybe? If you have multiple rows of tiles, you can't drag a tile from a lower row to the game area. It bumps into a tile in a higher row and refuses to move. You need to first move the ones in the higher row to move the tile in the lower row.