1m
 
                             
                             
                             
                             
                             
                             
                             
                             
                             
                        | 8 | 6 | 0 | 3 | 
| 6 | 3 | 2 | 0 | 
| 9 | 0 | 2 | 4 | 
| 6 | 2 | 8 | 3 | 
 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                 
                                 
                                 
                         
                                 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                