| View previous topic :: View next topic |
| Author |
Message |
ZeroAssoluto
Joined: 05 Feb 2017
Posts: 941
Location: Rimini, Italy
|
 Posted: Sun Jul 21, 2019 12:51 pm Post subject: Jul 21 VH |
 |
|
Hi everyone,
| Code: |
+----------+-------------+---------+
| 8 6 4 | 9 7 3 | 2 5 1 |
| 25 15 7 | 148 128 6 | 9 48 3 |
| 29 19 3 | 148 5 24 | 6 48 7 |
+----------+-------------+---------+
| 6 2 8 | 45 3 45 | 7 1 9 |
| 7 4 5 | 2 9 1 | 3 6 8 |
| 1 3 9 | 7 6 8 | 5 2 4 |
+----------+-------------+---------+
| 59 7 1 | 6 4 259 | 8 3 25 |
| 4 589 6 | 3 28 259 | 1 7 25 |
| 3 58 2 | 158 18 7 | 4 9 6 |
+----------+-------------+---------+
|
Play this puzzle online at the Daily Sudoku site
one-step solution:
AIC
if r2c2=1 and -1 in r2c45,r3c2
if r2c2=5 r2c1=2 r8c5=2 r8c2=8 r3c2=9 r3c4=1 and -1 in r2c45,r3c2
possible solution with multiple steps:
UR 4,8 in r23c48 and -1 in r2c5,r9c4
and
XY-Wing 2,4,8 in r2c58,r3c6 and -4 in r2c4,r3c8
and
XY-Wing 1,5,8 in r2c24,r9c2 and -8 in r9c4
Ciao Gianni |
|
| Back to top |
|
 |
RobertRattley
Joined: 24 Jun 2007
Posts: 118
Location: Australia
|
| Posted: Sun Jul 21, 2019 5:29 pm Post subject: |
|
|
Using only traditional wings (and not permitting myself the UR)
I found I needed four successive xy wings! |
|
| Back to top |
|
|
|
|
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
|
Powered by phpBB © 2001, 2005 phpBB Group
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
