Step 1

Horizontal Stack is set up.

Step 2

Cycle begins by #6 making an in cut across to the break side while rest of the stack moves a little back (perhaps?)

Step 3

#6 continues the cut and #5 cuts in across to the open side. #4 and 7# don't get the deep option and set up to come in

Step 4

Roughly back to the original stack (not stopping though)

Step 5

Same as before. #7 cuts in across to the break side, and #4 gets ready to cut in on the open side.

Step 6

#7 finishes out the cut and #4 comes in on the open side.

Step 7

The cycle continues...

Step 8

. . .

Step 9

. . .

Step 10

. . .