IAST Challenge 186

This week's Tickle to Tangle "It's a String Thing" (IAST) Challenge with a Pi string and the patterns w2, pokeroot, and wacho made me work. I made 3 tiles, all look alike, and none is to my liking. But I sent in the yellow one just because...

Patterns: W2, Pokeroot, Wacho

The blue tile...

Patterns: W2, Pokeroot, Wacho

....and the green tile.

Patterns: W2, Pokeroot, Wacho

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