[Nurikabe] 20 x 20 - Sub 1 Minute

[@haramey]

Current stats
5x5-easy 4,090 (5th)
5x5-hard 5,419 (6th)
7x7-easy 1,543 (3rd)
7x7-hard 921 (3rd)
10x10-easy 1,050 (2nd)
10x10-hard 441 (5th)
12x12-easy 693 (4th)
12x12-hard 333 (5th)
15x15-easy 278 (5th)
15x15-hard 1,497 (6th)
20x20 837 (2nd)
daily 153
weekly 23
monthly 6
17,284 solved

[@idolmike6779]

Idk what this is but congrats!

[@caudravan]

Nice