Step 1

starting formation

Step 2

red1 runs straight (3-4 steps)

Step 3

red1 cuts right, blue1 throws to red1

Step 4

red1 catches, blue1 runs straight, red2 moves up to pylon

Step 5

blue1 cuts right, red2 throws to blue1, red1 joins blue line

Step 6

blue1 catches. Rinse and repeat