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