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L to R R to L Alpha
The crux is at the top of the two parallel cracks under a roof to traverse right (crux), then pull onto a face onto a ledge to bolted anchor P1, belay. Then up to the top of the Lower Grotto Wall belay P2.
This is easy to find, the two "twin cracks" left of Cryogenics.
Trad, well-protected, bring some long runners though.