-1	3	-1	12	3	12	-1	3	-1
3	3	-1	22	3	22	-1	3	3
-1	-1	3	22	22	22	3	-1	-1
-1	3	3	7	22	7	3	3	-1
12	12	4	12	4	12	4	12	12
-1	3	3	7	22	7	3	3	-1
-1	-1	3	22	22	22	3	-1	-1
3	3	-1	22	3	22	-1	3	3
-1	3	-1	12	3	12	-1	3	-1
40
60
end