                        1    20  21       300            
                        2    4  5       315    
                        2    19  18 20       330          
                    3    5  6       245                    
                     3    20  21        0                           
                        4    4  5.6       15    
                        4    20  21       30    
                       5    5  6       45                    5    21  22       60    
                      6    5  6 .7       75    
                       6    21  22       90                    
                       7    7  8       105    
                       7    23  24       120         
                        8    7  8       135    
                       8    23  22.21       150    
                        9    8  7 . 9       165    
                        9    23  22 .24       180    
                       10    8  9       195    
                      10    23  24       210    
                        11    7  8       225          
                      11    21  22       240    
                       12    7  8       255              
                        12    22  21 .23       270                  
                        1    6  7       285                             