The New Sudoku Players' Forum

[ArkieTech]

Code: Select all

 *-----------*
 |...|.65|...|
 |..2|.19|6..|
 |6..|...|.1.|
 |---+---+---|
 |.4.|98.|..3|
 |9..|...|..7|
 |5..|.31|.8.|
 |---+---+---|
 |.3.|...|..5|
 |..9|65.|3..|
 |...|89.|...|
 *-----------*


Play/Print this puzzle online

[Leren]

Code: Select all

*--------------------------------------------------------------------------------*
| 13478   179     1478     | 247     6       5        | 24789   23479   2489     |
| 3478    57      2        | 47      1       9        | 6       3457    48       |
| 6       579     457      | 3       247     8        | 24579   1       249      |
|--------------------------+--------------------------+--------------------------|
| 127     4       167      | 9       8       267      | 25      256     3        |
| 9       8       3        | 5       24      246      | 1       246     7        |
| 5       267     67       | 247     3       1        |c249     8      b2469     |
|--------------------------+--------------------------+--------------------------|
| 2478    3       4678     | 1       247     247      |d24789  e2479-6  5        |
| 12478   127     9        | 6       5       247      | 3       247     1248     |
| 1247    12567   14567    | 8       9       3        | 247     2467   a1246     |
*--------------------------------------------------------------------------------*

L2 Wing : (6) r9c9 = (6-9) r6c9 = r6c7 - r7c7 = (9) r7c8 => - 6 r7c8; stte

Leren

[SteveG48]

Code: Select all

 *--------------------------------------------------------------------*
 | 13478  179    148    | 247    6      5      | 24789  39     2489   |
 | 3478   7-5    2      | 47     1      9      | 6     g35     48     |
 | 6      579   a45     | 3     b24     8      | 2479-5 1      249    |
 *----------------------+----------------------+----------------------|
 | 12     4      16     | 9      8      7      | 25    f56     3      |
 | 9      8      3      | 5     c24     6      | 1      24     7      |
 | 5     d26     7      |d24     3      1      | 249    8     e2469   |
 *----------------------+----------------------+----------------------|
 | 248    3      468    | 1      7      24     | 89     69     5      |
 | 12478  127    9      | 6      5      24     | 3      247    18     |
 | 1247   12567  145    | 8      9      3      | 24     247    16     |
 *--------------------------------------------------------------------*


(5=4)r3c3 - r3c5 = r5c5 -(4=26)r6c24 - (6)r6c9 = (6-5)r4c8 = (5)r2c8 => -5 r2c2,r3c7 ; stte

Sorry, invalid starting point!

[pjb]

Code: Select all

13478  179    1478   | 247    6      5      | 24789   23479  2489   
3478   57     2      | 47     1      9      | 6       3457   48     
6      579    457    | 3      247    8      | 24579   1      249   
---------------------+----------------------+----------------------
127    4      17-6   | 9      8      267    | 25      256    3     
9      8      3      | 5      24     246    | 1       246    7     
5      267    67     | 247    3      1      |a249     8     b2469   
---------------------+----------------------+----------------------
2478   3      4678   | 1      247    247    |e2478-9 f24679 5     
12478  127    9      | 6      5      247    | 3       247   d1248   
1247   12567  14567  | 8      9      3      | 247     2467  c1246   


(9)r6c7 = (9-6)r6c9 = (6-1)r9c9 = (1-8)r8c9 = (8-9)r7c7 = r7c8 => -9 r7c7; stte

Phil

[Marty R.]

OK, I might as well embarrass myself, it wouldn't be the first time. I can't solve the basics on this one. I've looked at the grid a dozen times and can't find the subsets and/or locked candidates that I know are in front of my nose.

Code: Select all

+-------------------+-------------+------------------+
| 13478 179   1478  | 247 6   5   | 24789 23479 2489 |
| 3478  57    2     | 47  1   9   | 6     3457  48   |
| 6     579   457   | 3   247 8   | 24579 1     249  |
+-------------------+-------------+------------------+
| 127   4     167   | 9   8   267 | 25    256   3    |
| 9     8     3     | 5   24  246 | 1     246   7    |
| 5     267   67    | 247 3   1   | 249   8     2469 |
+-------------------+-------------+------------------+
| 2478  3     4678  | 1   247 247 | 24789 24679 5    |
| 12478 127   9     | 6   5   247 | 3     247   1248 |
| 1247  12567 14567 | 8   9   3   | 247   2467  1246 |
+-------------------+-------------+------------------+


Play this puzzle online at the Daily Sudoku site

[pjb]

Marty

What you posted is the same as Leren and my starting grid. I'm mystified how Steve produced his starting grid with basics alone.
Phil

[Marty R.]

Marty

What you posted is the same as Leren and my starting grid. I'm mystified how Steve produced his starting grid with basics alone.
Phil

Thanks much Phil. Obviously, in this case, it was Steve's grid I was comparing to. It's comforting to know that I didn't miss anything after staring at the grid for so long.

[SteveG48]

Marty

What you posted is the same as Leren and my starting grid. I'm mystified how Steve produced his starting grid with basics alone.
Phil

Thanks much Phil. Obviously, in this case, it was Steve's grid I was comparing to. It's comforting to know that I didn't miss anything after staring at the grid for so long.

Apparently I took an X-wing followed by several basics. Then didn't take another X-wing!! Dang it! My solution is invalid.