Thanks for the plan. It's certainly a stone row - the 135 degree bend a third the way along its length is not unusual. The many stones of the Kirkhaugh circle have all slumped in the same direction and become half, or nearly, buried in earth. This has preserved them from the wreckers. The big molar-like stones are uprooted and have been burned.
I thought testing a morning moonrise would be simpler than a winter solstice sunrise. There'll be another chance for a southerly moonrise around Dec 16. Mid-morning again. If Keiller hasn't recorded the exact original position of 'vii' then his foreman probably did. !