Joined: 17-January 05   Posted 26 December 2010 - 11:58 AM CraigD, on 25 December 2010 - 02:04 PM, said: For XMass, I got a Quarto board and pieces. What does the sequence 1, 2, 3, 4, 5, 8, 13, 15, 6, 11, 9, 16, 7, 12, 14, 10 have to