Sorry but it turned out to be a video... :) https://www.youtube.com/watch?v=pvDmT7uERH8&ab_channel=StefanReich
You can look at the code here though: https://code.botcompany.de/1030509 "Integral images" was the solution to the riddle. Chees :) ------------------------------------------ Artificial General Intelligence List: AGI Permalink: https://agi.topicbox.com/groups/agi/Tde13ab8502f7e504-Mf33a1aacf4276d812254ceee Delivery options: https://agi.topicbox.com/groups/agi/subscription