digraph{ rankdir=LR;
"[3B3,7B1]"->"[4B3]";
node[group=main];
"[0]"; "[1B1,8B1]"; "[2B1]"; "[3B1,7B1]"; "[4B1]"; "[5B1]"; "[6B1]"; "[7B1]"; "[8B1]"; "[9B1]"; "[10B1]";
node[group=""];
"[0]"->"[1B1,8B1]";
"[1B1,8B1]"->"[2B1]";
"[2B1]"->"[3B1,7B1]";
"[3B1,7B1]"->"[4B1]";
"[4B1]"->"[5B1]";
"[5B1]"->"[6B1]";
"[6B1]"->"[7B1]";
"[7B1]"->"[8B1]";
"[8B1]"->"[9B1]";
"[9B1]"->"[10B1]";
"[0]"->"[3B3,7B1]";
"[3B3,7B1]"->"[8B1]";
"[0]"->"[10B1,4B3,5B2,6B2,9B4]";
"[10B1,4B3,5B2,6B2,9B4]"->"[6B2]";
"[0]"->"[2B2]";
"[2B2]"->"[3B2]";
"[3B2]"->"[4B2,5B2]";
"[4B2,5B2]"->"[5B2,6B2]";
"[5B2,6B2]"->"[6B2]";
"[1B1,8B1]"->"[9B1]" [constraint=false];
}