digraph diagram {
rankdir = LR;
"lisp.c" [shape=doublecircle];
"8cc" [shape=rect];
"bfasm.rb" [shape=rect];
"bfs" [shape=ellipse];
"lisp.bf" [shape=ellipse];
"1" [shape=diamond,style=filled,label="",height=.1,width=.1];
"bfasm.rb" -> "1" [dir=none];
"bfs" -> "1" [dir=none];
"1" -> "lisp.bf";
"2" [shape=diamond,style=filled,label="",height=.1,width=.1];
"8cc" -> "2" [dir=none];
"lisp.c" -> "2" [dir=none];
"2" -> "bfs";
}