digraph G { graph [bb="0,0,144,108", nodesep=0.5 ]; node [label="\N", shape=box ]; aaa [height=0.5, pos="27,90", width=0.75]; bbb [height=0.5, pos="27,18", width=0.75]; aaa -> bbb [pos="e,27,36.104 27,71.697 27,63.983 27,54.712 27,46.112"]; BBB [height=0.5, pos="117,18", width=0.75]; aaa -> BBB [pos="e,95.009,36.104 49.247,71.697 60.582,62.881 74.53,52.032 86.819,42.474"]; AAA [height=0.5, pos="117,90", width=0.75]; AAA -> bbb [pos="e,48.991,36.104 94.753,71.697 83.418,62.881 69.47,52.032 57.181,42.474"]; AAA -> BBB [pos="e,117,36.104 117,71.697 117,63.983 117,54.712 117,46.112"]; }