All darkness, very little dawn

Go to tryless, winless, hapless Edinburgh and rack up a bonus-point win, then give Racing Metro a good going over in Thomond Park.
That requirement still remains if Rob Penney’s side is to emerge from its pool in the next two weeks but, as has so often been the case during the New Zealander’s first months of re-educating this Munster squad to his gameplan, the execution is proving more complicated than was first apparent.