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