Cute! similar stories: Discreet Solitary Games [1] ,The Five-Card Trick [2] and Where's Waldo? [3] [1] https://link.springer.com/content/pdf/10.1007%2F3-540-

Cute! similar stories: Discreet Solitary Games [1] ,The Five-Card Trick [2] and Where's Waldo? [3] [1] https://link.springer.com/content/pdf/10.1007%2F3-540-48329-2_27.pdf https://link.springer.com/content/pdf/10.1007%2F3-540-48329-... [2] https://link.springer.com/content/pdf/10.1007/3-540-46885-4_23.pdf https://link.springer.com/content/pdf/10.1007/3-540-46885-4_... and https://www.iacr.org/archive/asiacrypt2012/76580591/76580591.pdf https://www.iacr.org/archive/asiacrypt2012/76580591/76580591... [3] http://www.wisdom.weizmann.ac.il/~naor/PAPERS/waldo.pdf http://www.wisdom.weizmann.ac.il/~naor/PAPERS/waldo.pdf > Do you know of any other story?