If supports and dps have different 2nd cleave directions, no adjustments need to be made and the players can stay in the corners to bait the tethers to cleave behind them, creating a safe spot on #1's

After this, the second safe spots will be next to the marker inner of that same square (if the tethers are baited correctly, where the red arrow ads have 2nd cleave safe on the right, while blue tether baits have 2nd cleave safe on the left.