1 
10 
100 
1000 
10000 
100000 
1000000 
10000000 
100000000 
1000000000 
10000000000  
100000000000 
1000000000000  
10000000000000  
100000000000000   
1000000000000000 
10000000000000000  
100000000000000000 
1000000000000000000  
10000000000000000000  
100000000000000000000   

                     