intersect 0 1 1 0 4 1
intersect 0 2 1 0 4 1
intersect 0 3 1 0 4 1
intersect 0 5 1 0 1 1
intersect 0 7 1 0 7 1
intersect 1 2 1 0 4 1
intersect 1 3 1 0 4 1
intersect 2 3 1 0 4 1
intersect 4 1 1 0 3 1
intersect 4 2 1 0 6 1
intersect 4 3 1 0 0 1
intersect 4 5 1 0 0 1
intersect 4 7 1 0 6 1
intersect 6 1 1 0 5 1
intersect 6 2 1 0 2 1
intersect 6 3 1 0 8 1
intersect 6 5 1 0 2 1
intersect 6 7 1 0 8 1
