Analysing terrain data
The exposure grade does not take into account objective hazards (stone fall, seracs, etc) but only the consequences of the skier falling.
Low Exposure (E1): Exposure is limited to that of the slope itself. Getting hurt is still likely if the slope is steep and/or the snow is hard.
Medium Exposure (E2): As well as the slope itself, there are some obstacles (such as rock outcrops) which could aggravate injury.
High Exposure (E3): In case of a fall, death is highly likely.
Extreme Exposure (E4): In case of a fall, the skier faces certain death.
R2D2 is a quick, rarely skied rocky spine area between Jobs 1 and 2.
It takes a lot of snow to make this skiable, and may never be a good idea.
From the upper traverse into Job 2, go right to the rollover, you can see most of the line from here.
The skier's left way is the easiest, but you will probably have to do some exposed acid drops to get down even this part.
Once through the upper section, ride fluty tree spines down to the second section of Job 2.