16. Jasytata

Distally insert L2 into R2 loop. Pass L2 away from you distal to 5 loop,
then towards you proximal to 5 loop.
Pass L2 towards you distal to 1 loop, then pick up both R1f and R1n. 
L2 return to position. 

Seize both R1n and R1f between L2 and L3. Release R1.  

Distally, insert R1 into the loop seized between L2 and L3. 
Transfer this loop to R1. 

Extend. 

Repeat Step 2 on the left hand by exchanging the role of L and R ...