Let's solve hard sudoku together 🧩 part 20

Channel:
Logic Booster
Subscribers:
330
Published on ● Video Link: https://www.youtube.com/watch?v=4qp9IhyFGLo


Duration: 0:00
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2

I explain how to solve hard sudoku.

00:00 intro
01:23 two candidate numbers in one row
01:54 obvious number
03:08 x-wing
03:54 excluded by last cell in row
04:30 obvious numbers
05:00 two pairs in two cells
05:37 obvious numbers
07:41 Nishio
10:05 obvious numbers
10:23 x-wing
11:00 obvious numbers



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