Direction to be followed (D1)

"The signs indicate that the vehicle may only be driven in the direction of the arrow or, in the case of two arrows, in either arrow's direction. The symbol is adapted to the conditions of the location."

Therefore, you may not turn left directly in the junction. You have to turn right and find another route

Direction (D1-4)

Direction (D1-5)

This is also not a one way street, as there is a road sign, that is indicating that you can turn right if you are driving in that direction