Phase 1:
Set 1 (Dread + West Tower): 2 on dread
Set 2 (Mines + West Tower): 2 on mines
Phase 2:
Set 3 (Dread + West Tower): 2 on dread
Set 4 (Mines + West Tower): 2 on mines
Set 5 (Dread + Mines Tower): 2 on dread, 1 on mines
Phase 3:
Set 6 (Mines + West + South Tower): 2 on mines, 1 on south
Set 7 (Mines + Dread + South Tower): 2 on dread, 1 on mines
Set 8 (Mines + West + South Tower):