20=4*5. Nice round October number!
Sydney Opera House opened today in 1973. Architectural marvel. Math marvel: Nerdle.
Guess 1 of 6
Nerdle Puzzle from October 20, 2003#
This is an archived Nerdle puzzle from Monday, October 20, 2003. Every date has a unique puzzle determined by the date. Use our hints to improve your strategy!
Note: All puzzles use UTC timezone for consistency.