StonkJunkie [any] to chapotraphouse • 2 years agoFun fact: QR codes are 80% depleted and will run out around 2025imagemessage-square28 fedilinkarrow-up141
arrow-up141imageFun fact: QR codes are 80% depleted and will run out around 2025StonkJunkie [any] to chapotraphouse • 2 years agomessage-square28 Commentsfedilink
minus-squareasaharyev [he/him]hexbear7·2 years agohttps://puzzles.mit.edu/2014/puzzle/black_and_white/ link
https://puzzles.mit.edu/2014/puzzle/black_and_white/