--Controls--

2, 4, 6, 8: Move cursor Up, Left, Right or Down respectively
5: Select, deselect or swap shapes.

--Game Help--

Remove shape before time runs out by the following ways:
(1) Make three or more shapes with the same 
pattern align together vertically or horizontally by swapping one shape with any neighboring one.
(2) Click on the following three special blocks:
Question mark block: Randomly remove shape with a certain 
pattern
Cross block: Remove the whole row and whole column it resides
Bomb block: Remove 8 shapes surrounding it.
