![CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg” CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg”](https://pbs.twimg.com/media/D2x1Ez6UcAEAi9f.jpg)
CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg”
![CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg” CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg”](https://pbs.twimg.com/media/D2x1GTyXcAAZlQi.jpg)
CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg”
![National Puzzle Day 29th January - National Puzzle Day Clipart - Png Download (#643051) - PinClipart National Puzzle Day 29th January - National Puzzle Day Clipart - Png Download (#643051) - PinClipart](https://listimg.pinclipart.com/picdir/s/64-643051_national-puzzle-day-29th-january-national-puzzle-day.png)
National Puzzle Day 29th January - National Puzzle Day Clipart - Png Download (#643051) - PinClipart
![CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg” CS50 ar Twitter: “CS50x Puzzle Day 2019 has begun! Here are this year's puzzles. Visit https://t.co/DRuODdiTKq to register, to download a PDF, and to submit! Ends Monday, 1 April 2019.… https://t.co/x2gMYl9KCg”](https://pbs.twimg.com/media/D2x1dBKXcAEoEs4.jpg)