CONCENTRATION GRID CHALLENGE

Concentration Grid #challenge #gridtime

3×3 grid < 5 sec

4×4 grid < 10 sec

5×5 grid < 15 sec

6×6 grid < 30 sec

7×7 grid < 1 min

8×8 grid < 2 min

9×9 grid < 3 min

10×10 grid < 4 min

12×12 grid < 10 min

14×14 grid < 16 min

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