They have chosen SE zone very likely as they were adviced so, there are skilled men around. We all know, and they admit they are not mining experts. Simple as that. IMO.
I'll trust Patrick Chance, a certified licensed professional any day over an anonymous internet poster. Patrick Chance has a much better understanding where and and in what order the drilling needs to take place. This drill program is being completed under the direction of Patrick Chance M.Sc., P.Eng https://ih.advfn.com/p.php?pid=nmona&article=75609118