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