This photo is a reference pulled from the web based on the Othello game. The white side representing 1 and the black side representing 0.
It is encoded by 3 columns 1st and 2nd column represents the century and the 3rd column represents the decade and year.
White Circle = 1
Black Circle = 0
I took this photo from the web and combined it with my sketch on campus in the ATEC building 3rd floor section 9 room 14.