Chariot Archery Contest at Nuzi

Chariot Archery Rules:
Charioteers Will Ride down the lane firing arrows at the colored rings which will either be on poles, or hanging from trees.
There are 3 of each ring
1 for white (AC 12)
2 for black (AC 14)
3 for blue (AC 16)
4 for red (AC 18)
5 for yellow (AC 20)