Step 1

Set-up Horizontal Stack

Step 2

Centering pass to the middle handler

Step 3

3rd and 4th in the stack bust deep

Step 4

As 2 make a cut into the newly opened space

Step 5

Looking at 3 or 4 to make an in cut back

Step 6

Number 2 makes an easy pass, or reset to a handler

Step 7

Profit.