0	2	3	1.0
0	3	2	1.0
0	4	1	1.0
0	4	2	1.0
0	5	4	1.0
0	5	2	1.0
0	5	6	1.0
0	6	5	1.0
0	6	2	1.0
0	100	2	1.0
0	100	5	1.0
0	101	2	1.0
0	101	5	1.0
0	102	2	1.0
0	102	5	1.0
0	103	5	1.0
0	104	5	1.0