3
node [label="\N", shape=box];
4
graph [bb="0,0,144,108"];
5
aaa [pos="27,90", width="0.75", height="0.50"];
6
bbb [pos="27,18", width="0.75", height="0.50"];
7
BBB [pos="117,18", width="0.75", height="0.50"];
8
AAA [pos="117,90", width="0.75", height="0.50"];
9
aaa -> bbb [pos="e,27,36 27,72 27,64 27,55 27,46"];
10
aaa -> BBB [pos="e,95,36 50,72 61,63 75,52 87,42"];
11
AAA -> BBB [pos="e,117,36 117,72 117,64 117,55 117,46"];
12
AAA -> bbb [pos="e,49,36 94,72 83,63 69,52 57,42"];