Twenty

8 by 8 Not Alone Puzzles

Note: This kind of puzzles, published in the New York Times magazine (summer 2024) is due to Presanna Seshadri

Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 16
Problem 18
Problem 19
Problem 20