Tiers: 4
Stacks: 8
Containers: 22
Stack 0: 14   1    0    7    
Stack 1: 21   17   
Stack 2: 15   12   9    6    
Stack 3: 3    18   19   5    
Stack 4: 8    2    20   
Stack 5: 10   
Stack 6: 
Stack 7: 16   11   13   4