How do I get past the brigand archers?

Hint 1 of 12:

There must be a sneakier way to reach your destination.

Hint 2 of 12:

There's nothing wrong with trying to fight the archers, but if you do, don't
continue reading these hints.

Hint 3 of 12:

Look in the tavern for some information.

Hint 4 of 12:

Have you noticed those scraps of paper on the floor?

Hint 5 of 12:

One of them mentions a meeting at the archery range.

Hint 6 of 12:

It won't hurt to put the paper back, to make sure the right person reads it.

Hint 7 of 12:

Go to the archery range (screen U) at midday, and watch from one side of the
archery range.