9999	2	5	4	9999	9999	9999
2	9999	3	9999	7	9999	9999
5	3	9999	1	4	3	9999
4	9999	1	9999	9999	4	9999
9999	7	4	9999	9999	1	5
9999	9999	3	4	1	9999	7
9999	9999	9999	9999	5	7	9999