Problem 20a in the 2010 BMC Froggatt guide

Hidden 12/May Sent
deacondeacon 07/Mar Sent

Should have flashed. Went second go. Nice problem

LakesWinter 04/Jan Sent

First go, good problem.

with Cake
Cake 04/Jan Sent β
with Matt
mtempest 05/Apr/13 Sent
High f6C+
Mid f6C+
Low f6C+
High f6C
Mid f6C
Low f6C
High f6B+
Mid f6B+
Low f6B+
Votes cast 1