Einsten's 5 Houses Riddle

in #riddle8 years ago (edited)

Hello steemians! How many of you tried to solve this riddle? Successful? Would you like to give it a try? Great brain exercise ! Good luck and share with us if you found the right answer
[16178524_385983261755101_8868664447795514858_o.jpg]
https://udel.edu/~os/riddle.html

[source] (udel.edu)

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