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