The list from the qNums queue after sorting on ----> pass 1 by 1's digit 

9860 4321 2341 8421 2001 8642 1234 3175 2345 8765 3456 1357 4567 1498 5739 
   0    1    1    1    1    2    4    5    5    5    6    7    7    8    9 


The list from the qNums queue after sorting on ----> pass 2 by 10's digit 

2001 4321 8421 1234 5739 2341 8642 2345 3456 1357 9860 8765 4567 3175 1498 
  0    2    2    3    3    4    4    4    5    5    6    6    6    7    9  


The list from the qNums queue after sorting on ----> pass 3 by 100's digit 

2001 3175 1234 4321 2341 2345 1357 8421 3456 1498 4567 8642 5739 8765 9860 
 0    1    2    3    3    3    3    4    4    4    5    6    7    7    8   


The list from the qNums queue after sorting on ----> pass 4 by 1000's digit 

1234 1357 1498 2001 2341 2345 3175 3456 4321 4567 5739 8421 8642 8765 9860 
1    1    1    2    2    2    3    3    4    4    5    8    8    8    9