52h. |
Ernő Rubik -- COINHEIST
https://web.mit.edu/puzzle/www/2013/coinheist.com/rubik/index.html
Saved on 2021-03-15 [18701 edays] via web.mit.edu
Modified 2024-07-21 [19925 edays]
puzzles
https://web.mit.edu/puzzle/www/2013/coinheist.com/rubik/index.html
Saved on 2021-03-15 [18701 edays] via web.mit.edu
Modified 2024-07-21 [19925 edays]
puzzles