#2 has disc and has a mark and then a wall of additional 3 in front of him/her
#2 throws to #4
#4 throws to #1 - before cup can move back, #2 moves with cup into position front of #1
#4 moves up to receive throw from #1
Now that the cup is running to catch up to #4 s/he throws to #3 while #2 cuts back for dump and #4 cuts up for strike cut and continuation to stack cuts #7 first and #5
and #6 cut deep