Cutters 3 and 4 are primaries, 4 has priority for first cut.
4 is in terrible position to get open because of the sideline and always initiates cutting under to the break side. 3 initiates deep.
4 clears all the way to the break sideline. 3 cuts under. 2 and 1 move into the middle positions.
3 cuts break side, while 2 initiates deep. 3 will clear to the sideline, 2 will come under, and the cycle continues.
3 clears to the sideline, 2 comes under, and the cycle continues.