Wall fixing is all about move the block to get fixed in empty
space. It's a fun arcade game. Not only need you to respond quickly but
also need your wise to fix the wall. There will show up kinds of shapes
of the hole on the wall. It is necessary to move your bricks to put into
the corresponding shape, that you can go through the wall fluently.
There is no much time to consider, you must decide quickly, otherwise,
the bricks will break up and the wall will be damaged.