freenode ##paintingsolvers for the interested. we have a handful of cicada solvers chatting about it.
how can i join this group?
You could start by googling freenode (
http://webchat.freenode.net/), and then joining the channel he mentioned.
They've got a google doc with a few things that have been posted here. Didn't see anyone chatting when I checked, but maybe it's only busy during certain hours.