2/0
                        +10
                        
                    1/1
                        +2
                        
                    0/2
                        -12
                        
                    2/0
                        +12
                        
                    0/2
                        -11
                        
                    2/1
                        +8
                        
                    1/2
                        -1
                        
                    0/3
                        -19
                        
                    