Help with the competition \"to Kill a sniper Greta\" (Sniper Elite 4)

It is not yet reached

BlackCat666
Here is a description of all competitions.
http://steamcommunity.com/sharedfiles/filedetails/?id=867610867

But as with pumping arms ,some have requirements to kill a ricochet as it is.ricochet is like ?Tried on the walls don't bounce the bullet

TAUR75
Looking for German which is either on a concrete floor or on a stone. Shoot at the floor at an obtuse angle, the bullet ricochets off the floor and flying in German. I have ten bullets rebound 2-3 pieces.

[CYBERPUNK]
Yeah,complicated it is))))