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