Right problem on the "No Foot Boulder", in the South of the sector. Sitstart in the middle of the right face and exit on the left of the nose without using the right arete by convention (even with a heel hook).
NB : Original sitstart requires to be tall enough and/or sit on crash-pad, otherwise a crouching start on the same crimps is acceptable. A real sitstart without crash-pad is possible on the right, 7a/7a+