1st Trilobite weave, now I know why it's so popular. Side note, if your instructions say “18' of each color” toss them and find better instructions. I'd say 10' of each color
Survival Bracelet – Double Trilobite, Wide Fishtail, Paracord, Double Clasp, Single Run of 18 – 22ft of Paracord, Multiple Clasps and Colors Availible – Wizard Weaving
How to weave Two Color Trilobite Bar (Video)
How to make a Boa Paracord Bracelet - Smith and Edwards Blog
Amazon.com: The Friendly Swede Trilobite Extra Beefy/Wide 500 lb Paracord Survival Bracelet With Stainless Steel Black Bow Shackle - Adjustable Size (Army Green S (6-7" Wrists)) : Sports & Outdoors