Best abs workout

My favorite abs workout is the following:

This is a mini routine done by 3 different circuits 

1. V-UP CIRCUIT: 5 right, o left, 10 tull. Keep your opposite leg elevated when doing the single leg v-ups.

2. BICYCLE CIRCUIT: 5 right, 5 left, 10 alternating. Keep your opposite leg elevated.

3. TOE TOUCH CIRCUIT: 5 right, 5 left, 10 together. Keep your opposite leg elevated.

I did 3-5 sets. 

You can find it at this link on instagram 

https://www.instagram.com/p/BwfIWoKJklE/?igsh=aHYyZ2lrb28wNGxs