\psset{nodesep=1mm,levelsep=3cm,treesep=1.5cm}
\pstree[treemode=D]{\TC}{%
		\pstree{\TR{$B$} \tlput{0.3}}{% 
				\pstree[arrows=->, levelsep=1cm]{\TR{$B$} \tlput{0.3}}{\TR{-3}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$V$} \tlput{0.5}}{\TR{-2}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$J$} \trput{0.2}}{\TR{2}}
            }
		\pstree{\TR{$V$} \tlput{0.5}}{% 
				\pstree[arrows=->, levelsep=1cm]{\TR{$B$} \tlput{0.3}}{\TR{-2}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$V$} \tlput{0.5}}{\TR{-1}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$J$} \trput{0.2}}{\TR{3}}
            }
		\pstree{\TR{$V$} \tlput{0.2}}{% 
				\pstree[arrows=->, levelsep=1cm]{\TR{$B$} \tlput{0.3}}{\TR{2}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$V$} \tlput{0.5}}{\TR{3}}
                \pstree[arrows=->, levelsep=1cm]{\TR{$J$} \trput{0.2}}{\TR{7}}
            }
     }