1/2
                        -12
                        
                    0/3
                        -15
                        
                    3/0
                        +15
                        
                    2/1
                        +6
                        
                    0/3
                        -22
                        
                    3/0
                        +22
                        
                    2/1
                        +9
                        
                    3/0
                        +22
                        
                    1/2
                        -9
                        
                    0/3
                        -17