8/8
i) SD(start from the right arête)
Route in shadow
1
Route in shadow
3
Route in shadow
4
Route in shadow
3
Route in shadow
3
Route in shadow
3
Route in shadow
8-/
h) SD(from the edge, to the right)
Route in shadow
8-
- SD(from the edge, to the left)
Route in shadow
3
Route in shadow
9/9
a) CH(start from the edge)
Route in shadow