Hard chall

[autumn acorn]

-chall 1419172645177528390 c

[round river]

@twilit shard

Challenge Complete

#1419172645177528390 (Challenge C) complete for 858 points! (558 bonus points)

-# Current Streak: 20
-# Points This Week: 6091
-# Total Points: 29661
-# Total Challenges: 27