Interesting :) Fun fact: Jo Nesbo was one of the few persons who was able to solve that riddle: https://steemit.com/riddle/@herverisson/three-switches-and-one-lightbulb
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Interesting :) Fun fact: Jo Nesbo was one of the few persons who was able to solve that riddle: https://steemit.com/riddle/@herverisson/three-switches-and-one-lightbulb