Matching Puzzles

Instant Insanity

Actually, this is not a exactly a matching puzzle, quite the contrary.  The idea is to arrange the blocks so that no color (or number) matches on a side.  The original version of this puzzle had card suits and was invented by Frederick A. Schossow in 1900.

Instant Insanity Crazy Cubes
Is it better to be insane... ... or just plain crazy?