Sudoku Tutorial #97 a puzzle for all levels. Includes finned X wing.
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2 سال پیش
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A#sudoku instruction,
A#sudoku instruction, #learn sudoku , #fun with sudoku , #sudoku for brain,
#step by step sudoku. #sudoku for all levels, #sudoku lessons, #sudoku tutorials.
As this is for beginners I have added snyder notation I.e. little numbers go in only 2 cells to begin with.
Chapters
0-min 25 min for beginners and Intermediate levels. TMB, LCR, Cross/meet, matching pairs, 3 empty cells, ramifications, and 1 cell investigation. locked little numbers (advanced rule of exclusion tutorial #11)
25 min to end Locked little numbers, Finned X wing using rows, Finned X wing using columns. For more information about finned X wings see below.
2 rules for finned X wings
1 Either the fin is true (correct) OR the X wing is true (correct)
2 2 types of finned X wings:
(a) Using rows
If the fin has a small # in a row, and is also in a corner of a possible X wing, then, if that small # is also in the same block, but, in the column of the possible X wing, it can be removed.
(b) Using columns
If the fin has a small # in a column, and is also in the corner of a possible
X wing, then, if that small # is also in the same block, but in the row of the possible X wing, it can be removed.
Note: A fin is always found in the corner block of an X wing. Removal of small #’s only occurs in the same block. No numbers are removed from the fin.
A fun step by step video course on how to solve sudoku puzzles from beginners to advanced levels. It's FREE!
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#step by step sudoku. #sudoku for all levels, #sudoku lessons, #sudoku tutorials.
As this is for beginners I have added snyder notation I.e. little numbers go in only 2 cells to begin with.
Chapters
0-min 25 min for beginners and Intermediate levels. TMB, LCR, Cross/meet, matching pairs, 3 empty cells, ramifications, and 1 cell investigation. locked little numbers (advanced rule of exclusion tutorial #11)
25 min to end Locked little numbers, Finned X wing using rows, Finned X wing using columns. For more information about finned X wings see below.
2 rules for finned X wings
1 Either the fin is true (correct) OR the X wing is true (correct)
2 2 types of finned X wings:
(a) Using rows
If the fin has a small # in a row, and is also in a corner of a possible X wing, then, if that small # is also in the same block, but, in the column of the possible X wing, it can be removed.
(b) Using columns
If the fin has a small # in a column, and is also in the corner of a possible
X wing, then, if that small # is also in the same block, but in the row of the possible X wing, it can be removed.
Note: A fin is always found in the corner block of an X wing. Removal of small #’s only occurs in the same block. No numbers are removed from the fin.
A fun step by step video course on how to solve sudoku puzzles from beginners to advanced levels. It's FREE!
The most popular site online to learn how to solve sudoku puzzles from beginners to advanced levels.
Facebook https://www.facebook.com/profile.php?...
Twitter thesudokuguy
Instagram sudokuguy
sudokuguy.com
@sudokuguy
2 سال پیش
در تاریخ 1401/08/30 منتشر شده
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