Step 1

Vertical Setup.

Step 2

Front of the stack strikes, 4 and 5 move breakside.

Step 3

Option one: throw long to the front

Step 4

Back of the stack continues

Step 5

or...

Step 6

Option two: breakside to #4

Step 7

Back of the stack continues

Step 8

or...

Step 9

#1 Comes back under into the open space

Step 10

Back of the stack continues