Step 1

Set up

Step 2

red 4 cuts out

Step 3

cuts for the under, Blue 1 throw to red 4, at the same time, red 1 cuts out

Step 4

red 1 cuts for under, red 4 throws to red 1. red 4 clears to cone 17, same time blue 4 cuts out

Step 5

blue 4 cuts for under, red 1 throws to blue 4, red 1 clears to cone 15 , same time blue 1 cuts out

Step 6

blue 1 cuts for under, blue 4 throws to blue 1, blue 4 clears to cone 18, same time, red 5 cuts out

Step 7

repeat