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