- Code: Select all
*-----------*
|.1.|..8|...|
|.3.|.9.|..7|
|8..|...|1.9|
|---+---+---|
|65.|.84|...|
|..2|.7.|9..|
|...|53.|.76|
|---+---+---|
|7.1|...|..3|
|5..|.4.|.1.|
|...|3..|.4.|
*-----------*
Play/Print this puzzle online
February 10, 2016
9 posts
• Page 1 of 1
February 10, 2016
by ArkieTech » Wed Feb 10, 2016 12:09 am
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dan
-
ArkieTech - Posts: 3355
- Joined: 29 May 2006
- Location: NW Arkansas USA
Re: February 10, 2016
by pjb » Wed Feb 10, 2016 12:44 am
- Code: Select all
b24 1 9 | 7 256 8 |c2345 d236 25
a24 3 56 | 16-2 9 156 | 245 8 7
8 7 56 | 4 f256 3 | 1 e26 9
------------------------+----------------------+---------------------
6 5 7 | 9 8 4 | 23 23 1
3 8 2 | 16 7 16 | 9 5 4
1 9 4 | 5 3 2 | 8 7 6
------------------------+----------------------+---------------------
7 4 1 | 8 256 56 | 26 9 3
5 26 3 | 26 4 9 | 7 1 8
9 26 8 | 3 1 7 | 256 4 25
(2=4)r2c1 - r1c1 = (4-3)r1c7 = (3-6)r1c8 = (6-2)r3c8 = r3c5 => -2 r2c4; stte
Phil
- pjb
- 2014 Supporter
- Posts: 2672
- Joined: 11 September 2011
- Location: Sydney, Australia
Re: February 10, 2016
by SteveG48 » Wed Feb 10, 2016 1:04 am
- Code: Select all
*------------------------------------------------------------*
| 24 1 9 | 7 256 8 | 345-2 236 25 |
|e24 3 56 |d126 9 156 | f245 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
*-------------------+-------------------+--------------------|
| 6 5 7 | 9 8 4 | 3-2 23 1 |
| 3 8 2 |d16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
*-------------------+-------------------+--------------------|
| 7 4 1 | 8 b256 b56 |af26 9 3 |
| 5 26 3 |c26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | f256 4 25 |
*------------------------------------------------------------*
(2=6)r7c7 - r7c56 = r8c4 - (6=12)r25c4 - (2=4)r2c1 - (4=256)r279c7 => -2 r14c7 ; stte
Steve
-
SteveG48 - 2019 Supporter
- Posts: 4483
- Joined: 08 November 2013
- Location: Orlando, Florida
Re: February 10, 2016
by Marty R. » Wed Feb 10, 2016 1:30 am
- Code: Select all
+----------+-------------+-------------+
| 24 1 9 | 7 256 8 | 2345 236 25 |
| 24 3 56 | 126 9 156 | 245 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
+----------+-------------+-------------+
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
+----------+-------------+-------------+
| 7 4 1 | 8 256 56 | 26 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | 256 4 25 |
+----------+-------------+-------------+
Play this puzzle online at the Daily Sudoku site
UR (16) r25c46, using internals
5r2c6=2r2c4-(2=45*)r2c17
-(2=24)r2c1-(4=25*)r1c19 contradiction=> 5r2c6
(Using externals, r2c3=6, but plugging in that 6 does not complete)
- Marty R.
- Posts: 1508
- Joined: 23 October 2012
- Location: Rochester, New York, USA
Re: February 10, 2016
by Leren » Wed Feb 10, 2016 3:00 am
- Code: Select all
*---------------------------------------------------------------*
| d24 1 9 | 7 256 8 | 2345 236 c25 |
|eb24 3 56 | 16-2 9 156 |a245 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
|---------------------+--------------------+--------------------|
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
|---------------------+--------------------+--------------------|
| 7 4 1 | 8 256 56 | 26 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | 256 4 25 |
*---------------------------------------------------------------*
XYZ Wing - Base Cell r2c7 {245} Pincer Cells r2c1 {24} and r1c9 {25}, + pincer transport 2 1c9 - r1c1 = 2 r2c1 => - 2 r2c4; stte
Leren
- Leren
- Posts: 5119
- Joined: 03 June 2012
Re: February 10, 2016
by SteveG48 » Wed Feb 10, 2016 5:09 am
- Code: Select all
*-----------------------------------------------------------*
|d24 1 9 | 7 56-2 8 | 345-2 36-2 e25 |
|c24 3 56 |b126 9 a156 |f4-25 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
*-------------------+-------------------+-------------------|
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
*-------------------+-------------------+-------------------|
| 7 4 1 | 8 25-6 i56 |h26 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 |g256 4 25 |
*-----------------------------------------------------------*
Using Marty's UR and an embedded chain:
[5r2c6 = 2r2c4 - r2c1 = r1c1 - (2=5)r1c9] - r12c7 = (5-6)r9c7 = r7c7 - (6=5)r7c6 loop =>
-25 r2c7, -2 r1c578, -6 r7c5 ; stte
Steve
-
SteveG48 - 2019 Supporter
- Posts: 4483
- Joined: 08 November 2013
- Location: Orlando, Florida
Re: February 10, 2016
by ArkieTech » Wed Feb 10, 2016 11:28 am
- Code: Select all
*-----------------------------------------------------------*
|a24 1 9 | 7 256 8 | 2345 236 a25 |
|b24 3 b56 |b126 9 b156 | 24-5 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
|-------------------+-------------------+-------------------|
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
|-------------------+-------------------+-------------------|
| 7 4 1 | 8 256 56 | 26 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | 256 4 25 |
*-----------------------------------------------------------*
(5=4)r1c19-(4=5)r2c1346 => -5r2c7; ste
dan
-
ArkieTech - Posts: 3355
- Joined: 29 May 2006
- Location: NW Arkansas USA
Re: February 10, 2016
by Ngisa » Wed Feb 10, 2016 12:58 pm
- Code: Select all
+----------+-------------+-------------+
| b24 1 9 | 7 256 8 | 2345 236 a25 |
| c24 3 56 | 126 9 156 | d24-5 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
+----------+-------------+-------------+
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
+----------+-------------+-------------+
| 7 4 1 | 8 256 56 | 256 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | 256 4 25 |
+----------+-------------+-------------+
(5=2)r1c9 - (2=4)r1c1 - r2c1 = (4)r2c7 => -5r2c7; lclste
Clement
- Ngisa
- Posts: 1411
- Joined: 18 November 2012
Re: February 10, 2016
by eleven » Wed Feb 10, 2016 4:05 pm
continued from yesterday ...
ALS 2345 r1c79r2c7: 45 must be in the ALS
5r2c7-(5=4)r1c19 => (4 cannot be in the ALS then) r2c7<>5
As AIC e.g. 5r1c79=(5-4)r2c7=245r1c179 => r2c7<>5
- Code: Select all
*-----------------------------------------------------------*
|@24 1 9 | 7 256 8 |#2345 236 #25 |
| 24 3 56 | 126 9 156 |#245 8 7 |
| 8 7 56 | 4 256 3 | 1 26 9 |
|-------------------+-------------------+-------------------|
| 6 5 7 | 9 8 4 | 23 23 1 |
| 3 8 2 | 16 7 16 | 9 5 4 |
| 1 9 4 | 5 3 2 | 8 7 6 |
|-------------------+-------------------+-------------------|
| 7 4 1 | 8 256 56 | 26 9 3 |
| 5 26 3 | 26 4 9 | 7 1 8 |
| 9 26 8 | 3 1 7 | 256 4 25 |
*-----------------------------------------------------------*
ALS 2345 r1c79r2c7: 45 must be in the ALS
5r2c7-(5=4)r1c19 => (4 cannot be in the ALS then) r2c7<>5
As AIC e.g. 5r1c79=(5-4)r2c7=245r1c179 => r2c7<>5
- eleven
- Posts: 3154
- Joined: 10 February 2008
9 posts
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