Open-side cutter (3) goes in front of Break-side cutter (2) to open up space for a sweep cut.
From here it is important that 3 does not cut towards 2's sideline, as 2 wants to throw the disc beyond 3, like so.
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And even with a mark on their back, this throw is extremely advantageous for the cutter as it allows the cutter to effectively have their body between the disc and their defender.