/* cmd
	dot -Tsvg -o "$g.svg" "$F"
*/

digraph {
	rankdir=LR;
	node [shape=circle];

	"1d1" [label=1];
	"3d2" [label=3];
	"2d2" [label=2];
	"5d2" [label=5];
	"4d2" [label=4];
	"5d3" [label=5];
	"6d3" [label=6];
	"4d3" [label=4];
	"6d4" [label=6];

	"1d1" -> "3d2" -> "5d3" -> "6d4";
	"1d1" -> "2d2" -> "5d3";
	"1d1" -> "5d2" -> "6d3";
	         "3d2" -> "4d3" -> "6d4";
	         "2d2" -> "4d3";
	"1d1" -> "4d2" -> "6d3";
}