Board Thread:Roleplaying/@comment-26888167-20171007160527/@comment-26888167-20171009112248

//I returned

Red Fork: If we can discover how to open this lock, we'll be able to enter Moluskopolis.

Squid #2: There's a puzzle there that you won't solve that easily!

Red Fork: Let's see it.

Puzzle:

'''In front of the gate there's 6 cups in a row. The first three are empty, and the other three are full of ink. How can you achieve that no empty cup ends beside another empty cup, and no full cup ends beside another full cup, by only moving one cup?'''