Vert stack is called. Set up stack on a cutter.
Front cutter cuts toward disc. Back cutter cuts away from disc.
Front and back cutters then reverse and cut to away from and towards the disc.
If neither cutter recieves the disc, they reset to the center of the stack.
Cutters 3 and 4 repeat the same cuts.
Once again, they reverse cuts.
And reset to the center of the stack.
If at anytime a cutter recieves the disc, the stack must move up the field with the disc.
Stack moves up the field