Stack of Cards  
Brain Warmup 
Problem: 
Puzzle 1:Take one pair each of Aces, 2’s, 3’s, and 4’s from a deck of
playing cards and discard the rest of the deck. Now stack these eight cards so
that the Aces have one card between them, the 2’s have two cards between them,
the 3’s have three cards between them, and the 4’s have four cards between
them.
Bonus:Do the same with 14 cards numbered Ace through 7. 
Solvers: 

Solution: 
There are many solutions. Here are two of them. Puzzle 1: Bonus: 
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