setting Concept 2 blades

#1
I've bought a pair of Concept 2 smoothie sculling blades and don't know what length / inboard / outboard to set them to.
I am a lightweight (61kg) vet g and compete in a 2x and 4x and also train in my single. Can anyone advise on the length etc to set my blades to. Cheers John
 
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