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