dailysudoku.com :: View topic

dailysudoku.com
Discussion of Daily Sudoku puzzles

FAQ

Memberlist

Usergroups

Profile

Jul 01 VH

dailysudoku.com Forum Index -> Daily Sudoku puzzles

View previous topic :: View next topic

Author

Message

ZeroAssoluto

Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy

Posted: Fri Jul 01, 2022 9:11 am Post subject: Jul 01 VH

Hi everyone,

Code:

+--------------+-------------+-----------+
| 1 267 5 | 247 267 3 | 8 9 24 |
| 2349 23 349 | 24 5 8 | 7 1 6 |
| 246 8 47 | 1 267 9 | 24 3 5 |
+--------------+-------------+-----------+
| 8 27 6 | 9 3 5 | 24 247 1 |
| 49 5 49 | 8 27 1 | 6 27 3 |
| 23 1 37 | 267 4 26 | 5 8 9 |
+--------------+-------------+-----------+
| 5 4 2 | 3 1 7 | 9 6 8 |
| 7 9 1 | 256 8 246 | 3 245 24 |
| 36 36 8 | 25 9 24 | 1 245 7 |
+--------------+-------------+-----------+

Play this puzzle online at the Daily Sudoku site

Quote:

XY-Wing 2,3,7 in r24c2,r6c3 and -3 in r2c3
Skyscraper
with number 7 in r36c3,r16c4 and -7 in r1c2,r3c5
with number 7 in r3c35,r6c34 and -7 in r1c4,r5c5
with number 7 in r14c2,r16c4 and -7 in r6c3
2-String Kite
with number 7 in r14c2,r6c34 and -7 in r1c4
with number 7 in r3c35,r16c4 and -7 in r6c3
W-Wing
2,3 in r2c2,r6c1 SL with number 3 in r9c12 and -2 in r23c1,r4c2
2,3 in r2c2,r6c1 SL with number 3 in r26c3 and -2 in r23c1,r4c2
Colors with number 7
color1 = r1c24,r3c5,r4c8,r5c5,r6c3
color2 = r3c3,r4c2,r5c8,r6c4
and delete color1

Ciao Gianni

TomC

Joined: 30 Oct 2020
Posts: 358
Location: Wales

Posted: Fri Jul 01, 2022 12:34 pm Post subject:

r6c1=2 to solve

Code:

+------------------+-------------+-----------+
| 1 267 5 | 247 267 3 | 8 9 24 |
| 2349 d23 349 | 24 5 8 | 7 1 6 |
| 246 8 47 | 1 267 9 | 24 3 5 |
+------------------+-------------+-----------+
| 8 c27 6 | 9 3 5 | 24 247 1 |
| 49 5 49 | 8 27 1 | 6 27 3 |
| a23 1 b37 | 267 4 26 | 5 8 9 |
+------------------+-------------+-----------+
| 5 4 2 | 3 1 7 | 9 6 8 |
| 7 9 1 | 256 8 246 | 3 245 24 |
| -36 -36 8 | 25 9 24 | 1 245 7 |
+------------------+-------------+-----------+

If a=3, b=7, c=2, d=3 leads to no <3>'s in box 7 or column 3

Is the <23> pair in "a" + "d" a W-wing?

YES, if you use the strong links on <3> in box 7 or column 3, you get if a=3, d=2 or if d=3, a=2
NO, if you follow the XY chain you get if a=3, d=3

So "a" cannot be <3> to resolve this situation

Display posts from previous:

	dailysudoku.com Forum Index -> Daily Sudoku puzzles	All times are GMT
Page 1 of 1

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum