- Code: Select all
*-----------*
|8..|256|..3|
|..9|.1.|.4.|
|3..|...|...|
|---+---+---|
|93.|..8|.15|
|6..|9.1|..4|
|.1.|6..|.3.|
|---+---+---|
|...|...|.2.|
|.9.|.6.|...|
|7..|543|9.1|
*-----------*
Play/Print this puzzle online
Menneske 5950118
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Menneske 5950118
by ArkieTech » Tue May 14, 2013 12:23 am
Play/Print this puzzle online
dan
-
ArkieTech - Posts: 3355
- Joined: 29 May 2006
- Location: NW Arkansas USA
Re: Menneske 5950118
by Leren » Tue May 14, 2013 1:48 am
- Code: Select all
*--------------------------------------------------------------*
| 8 47 147 | 2 5 6 | 17 9 3 |
|b25 256 9 | 3 1 7 |a58 4 26-8 |
| 3 2567 12567 | 8 9 4 | 157 67 26 |
|--------------------+--------------------+--------------------|
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
|c24 1 2478 | 6 27 5 | 278 3 9 |
|--------------------+--------------------+--------------------|
| 145 456 3456 | 17 8 9 | 34 2 67 |
|d14 9 348 |d17 6 2 | 34 5 d78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
*--------------------------------------------------------------*
(8=5) r2c7 - (5=2) r2c1 - (2=4) r6c1 - (4=8) r8c149 => -8 r2c9; stte
Can also be written as xy chain: (8=5) r2c7 - (5=2) r2c1 - (2=4) r6c1 - (4=1) r8c1 - (1=7) r8c4 - (7=8) r8c9 => -8 r2c9;
or as an als xy wing (8=2) r2c17 - (2=4) r6c1 - (4=8) r8c149 => -8 r2c9
Leren
Last edited by Leren on Tue May 14, 2013 3:37 am, edited 2 times in total.
- Leren
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- Joined: 03 June 2012
Re: Menneske 5950118
by StrmCkr » Tue May 14, 2013 2:35 am
- Code: Select all
.------------------.-----------.--------------.
| 8 47 147 | 2 5 6 | 17 9 3 |
| 25 256 9 | 3 1 7 | 58 4 268 |
| 3 2567 12567 | 8 9 4 | 157 67 26 |
:------------------+-----------+--------------:
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
| 24 1 2478 | 6 27 5 | 278 3 9 |
:------------------+-----------+--------------:
| 145 456 3456 | 17 8 9 | 34 2 67 |
| 14 9 348 | 17 6 2 | 34 5 78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
'------------------'-----------'--------------'
Almost Locked Set XZ-Rule: A=r2c17 {258}, B=r6c57 {278}, X=8, Z=2 => r6c1<>2 singles to the end.
Some do, some teach, the rest look it up.
stormdoku
stormdoku
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StrmCkr - Posts: 1425
- Joined: 05 September 2006
Re: Menneske 5950118
by ArkieTech » Tue May 14, 2013 3:24 am
StrmCkr wrote:Almost Locked Set XZ-Rule: A=r2c17 {258}, B=r6c57 {278}, X=8, Z=2 => r6c1<>2 singles to the end.
or
- Code: Select all
*--------------------------------------------------------------------*
| 8 47 147 | 2 5 6 | 17 9 3 |
|a25 256 9 | 3 1 7 |b58 4 268 |
| 3 2567 12567 | 8 9 4 | 157 67 26 |
|----------------------+----------------------+----------------------|
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
| 4-2 1 2478 | 6 c27 5 |c278 3 9 |
|----------------------+----------------------+----------------------|
| 145 456 3456 | 17 8 9 | 34 2 67 |
| 14 9 348 | 17 6 2 | 34 5 78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
*--------------------------------------------------------------------*
(2=5)r2c1-(5=8)r2c7-(8=72)r6c57 => -2r6c1; ste
dan
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ArkieTech - Posts: 3355
- Joined: 29 May 2006
- Location: NW Arkansas USA
Re: Menneske 5950118
by Leren » Tue May 14, 2013 3:45 am
- Code: Select all
*--------------------------------------------------------------*
| 8 47 147 | 2 5 6 | 17 9 3 |
| 2-5 256 9 | 3 1 7 |a58 4 268 |
| 3 2567 12567 | 8 9 4 | 157 67 26 |
|--------------------+--------------------+--------------------|
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
|b24 1 2478 | 6 b27 5 |b278 3 9 |
|--------------------+--------------------+--------------------|
|c145 456 3456 | 17 8 9 | 34 2 67 |
|c14 9 348 | 17 6 2 | 34 5 78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
*--------------------------------------------------------------*
Another als xy-wing: (5=8) r2c7 - (8=4) r6c157 - (4=5) r78c1 => -5 r2c1; stte
Leren
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Re: Menneske 5950118
by Marty R. » Tue May 14, 2013 9:54 pm
- Code: Select all
+----------------+---------+------------+
| 8 47 147 | 2 5 6 | 17 9 3 |
| 25 256 9 | 3 1 7 | 58 4 268 |
| 3 2567 12567 | 8 9 4 | 157 67 26 |
+----------------+---------+------------+
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
| 24 1 2478 | 6 27 5 | 278 3 9 |
+----------------+---------+------------+
| 145 456 3456 | 17 8 9 | 34 2 67 |
| 14 9 348 | 17 6 2 | 34 5 78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
+----------------+---------+------------+
Play this puzzle online at the Daily Sudoku site
Don't know what to call it.
(5=2)r2c1-(24=1)r68c1-(17=8)r8c49-r2c9=r2c7=>r2c7<>5=8
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Re: Menneske 5950118
by daj95376 » Tue May 14, 2013 10:49 pm
Restating solution found by my solver.
- Code: Select all
<26> UR r23c29 and "assistance cells" (#) r2c1,r2c7,r3c8
+-----------------------------------------------------------------------+
| 8 47 147 | 2 5 6 | 17 9 3 |
| #25 *26+5 9 | 3 1 7 | #58 4 *26+8 |
| 3 *26+57 12567 | 8 9 4 | 157 #67 *26 |
|-----------------------+-----------------------+-----------------------|
| 9 3 27 | 4 27 8 | 6 1 5 |
| 6 2578 2578 | 9 3 1 | 278 78 4 |
| 24 1 2478 | 6 27 5 | 278 3 9 |
|-----------------------+-----------------------+-----------------------|
| 145 456 3456 | 17 8 9 | 34 2 67 |
| 14 9 348 | 17 6 2 | 34 5 78 |
| 7 268 268 | 5 4 3 | 9 68 1 |
+-----------------------------------------------------------------------+
# 60 eliminations remain
(5)r2c1 - [ (5)r23c2, (5=8)r2c7 ] - (8=26)r23c9 - (6=7)r3c8 - (7)r3c2; DP => r2c1<>5
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Re: Menneske 5950118
by 7b53 » Wed May 15, 2013 2:41 am
daj95376 wrote: (5)r2c1 - [ (5)r23c2, (5=8)r2c7 ] - (8=26)r23c9 - (6=7)r3c8 - (7)r3c2; DP => r2c1<>5
nice, one cell can determined the DP
this should also be true then...
(2)r2c1 = (7-1)r1c7 = (1-5)r3c7 = (5)r2c7 - (5=2)r2c1 => r2c1=2
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8 posts
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