The left side of the arete, somewhat obscurely described in the guide. Either pull on at the ESS duo pocket and make a thin and delicate sequence to gain the arete, or use a cheatstone / padstack to gain the other duo pocket and pull on strenously. Good either way.

High f6C+
Mid f6C+
Low f6C+
High f6C
Mid f6C
Low f6C
High f6B+
Mid f6B+
Low f6B+
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