IQ Test Labs
Discover your intellectual strengths
Number puzzle - instructions
Choose a Level (3 to 5).
The playing area contains blocks with numbers in it. There is an empty square that enables the others squares to move.
You can move a block by clicking on it. This can only be accomplished if there is an empty square next to it.
You can move an entire row or column of blocks by clicking on one of them. This can only be accomplished if there is an empty block in that row or column.
Order all the numbers in the shortest time possible with a minimum number of moves.