The first 2 pitches are great but the rest is ordinary.
Start: Start at the next strong crack line about 10m R of 'Marbuck'.
38m (15) Up the crack then, a few metres after it starts taking you diagonally L (towards Marbuck's big roof), traverse back R along a horizontal weakness to a ledge.
15m (15) Up steepish wall to breach the overhangs between two fairly prominent noses of rock.
30m (-) Traverse 10m L to the crack on 'Marbuck' pitch 3 (you might want to step down for the last bit). Up the crack then L.
25m (-) Up the chimney/gully thing to Flinders Lane.