0	1	4	5	13
0	6	12	1	4
0	7	4	1	4
0	1	4	8	8
0	4	8	1	6
0	1	6	7	7
0	1	7	4	12
0	1	7	5	13
0	1	8	1	14
0	1	8	2	3
0	1	16	1	9
0	3	3	1	11
0	1	11	3	6
0	1	12	7	6
0	1	14	6	17
0	8	6	1	16
0	2	3	3	13
0	2	4	3	2
0	3	5	3	13
0	3	13	3	5
0	3	10	8	7
0	3	12	4	5
0	3	13	3	15
0	3	15	3	13
0	4	11	3	17
0	3	17	6	6
0	3	18	5	12
0	5	12	3	18
0	4	5	4	12
0	4	10	6	3
0	4	12	7	5
0	5	5	6	18
0	5	11	8	7
0	7	6	7	5