Look at how this pattern works out:
1st shooting middle dot
2nd shooting East dot
3rd shooting West dot
4th shooting middle dot
5th shooting North dot
6th shooting South dot
7th shooting middle dot
8th shooting south dot
9th shooting north dot
10th shooting middle dot
11th shooting south dot
12 shooting not yet done may be north dot. Maryland Beltway.
He does a middle dot then does the opposite sides of each middle dot.