Tiers: 4
Stacks: 15
Containers: 30
Stack 0: 2    26   
Stack 1: 15   11   
Stack 2: 28   18   
Stack 3: 27   
Stack 4: 25   0    1    29   
Stack 5: 5    
Stack 6: 3    4    19   6    
Stack 7: 9    10   8    12   
Stack 8: 
Stack 9: 24   16   13   
Stack 10: 
Stack 11: 22   
Stack 12: 23   7    14   17   
Stack 13: 
Stack 14: 21   20