Grute Met (Grand Place) Multi-Cache

The “Grute Met” (Grand Place) in Brussels is a remarkably homogeneous body of public and private buildings, dating mainly from the late 17th century. The architecture provides a vivid illustration of the level of social and cultural life of the period in this important historical centre.

Go to the first waypoint. Count the number of attic windows in the front of the town hall. This is A.
How many antique street lamps stand on the "Grute Met". This is B.

Go to the second waypoint.
N 50° 50 Ax10+75 E 004° 20 Bx30+62
C is the number of the vertical iron bars from the lower part of the fence.

Go to the third waypoint:
N 50° 50 Bx30-15 E 004° 21 Cx4-6
In which year is this statue inaugurated? This is WXYZ

Cache: N 50° 50 CxY+187 E 004° 21 CxZ-174
Please act discrete.