 
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                             
                        | 2 | 8 | 1 | 0 | 
| 0 | 5 | 8 | 2 | 
| 4 | 2 | 1 | 8 | 
| 4 | 5 | 2 | 2 | 
 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                 
                                 
                                 
                         
                                 
                         
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                                 
                         
                                 
                                 
                                