7	2	-1	-1	18	-1	-1	2	7
2	22	22	17	16	17	22	22	2
-1	3	18	16	22	16	18	3	-1
7	7	18	22	12	22	18	7	7
18	-1	18	22	17	22	18	-1	18
7	7	16	-1	12	-1	16	7	7
-1	3	22	17	22	17	22	3	-1
2	3	22	16	22	16	22	3	2
7	2	-1	22	-1	22	-1	2	7
40
60
end