Bailed off the last bolt. Onsighted to the bolt below the roof (2nd last bolt - About gr24 to here), then whipped off halfway between the crazy runout to the next bolt. Eventually figured out the moves up the flaky, mossy, dirty, unworn headwall to the "excitingly" placed final bolt... But couldn't work out the last 2m of climbing to the anchor, and eventually just got pissed off. A few bits of "okay" climbing, but super-contrived in the lower half (I had to FORCE myself not to touch any of the holds on the neighbouring routes), with flaky, grainy rock. And dirty, mossy and badly bolted in the top headwall. Hard for the grade? I wouldn't give it another lap.