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VH+090417

 
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Mon Sep 04, 2017 4:37 am    Post subject: VH+090417 Reply with quote
Enjoy the puzzle...


Code:

+-------+-------+-------+
| . 2 . | . 5 7 | . 1 3 |
| . . . | . . . | . 5 7 |
| . . . | 3 . 2 | 9 . . |
+-------+-------+-------+
| 8 1 . | . . . | . . . |
| . . . | 5 . 1 | . . . |
| . . . | . . . | . 2 8 |
+-------+-------+-------+
| . . 9 | 4 . 3 | . . . |
| 4 6 . | . . . | . . . |
| 3 5 . | 8 2 . | . 6 . |
+-------+-------+-------+

Play this puzzle online at the Daily Sudoku site
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Tue Sep 05, 2017 9:52 am    Post subject: Reply with quote
Hi everyone


Code:

+-----------------+------------+--------------+
| 69   2    48    | 69  5   7  | 48   1    3  |
| 169  349  1346  | 169 149 8  | 2    5    7  |
| 157  478  14578 | 3   14  2  | 9    48   6  |
+-----------------+------------+--------------+
| 8    1    3467  | 2   379 46 | 3467 3479 5  |
| 2679 3479 23467 | 5   8   1  | 3467 3479 49 |
| 5679 3479 34567 | 79  379 46 | 1    2    8  |
+-----------------+------------+--------------+
| 12   78   9     | 4   6   3  | 5    78   12 |
| 4    6    28    | 17  17  5  | 38   389  29 |
| 3    5    17    | 8   2   9  | 47   6    14 |
+-----------------+------------+--------------+

Play this puzzle online at the Daily Sudoku site

AIC( xy wing) (4=8)R3C8- (8=7)R7C8-(7[co=4)R9C7-(4)R1C7=>-4R1C7

Code:

+---------------+----------+------------+
| 69   2   4    | 69 5  7  | 8   1   3  |
| 169  39  136  | 69 4  8  | 2   5   7  |
| 57   78  578  | 3  1  2  | 9   4   6  |
+---------------+----------+------------+
| 8    1   367  | 2  39 46 | 467 379 5  |
| 2679 349 2367 | 5  8  1  | 467 379 49 |
| 569  349 356  | 7  39 46 | 1   2   8  |
+---------------+----------+------------+
| 12   78  9    | 4  6  3  | 5   78  12 |
| 4    6   28   | 1  7  5  | 3   89  29 |
| 3    5   17   | 8  2  9  | 47  6   14 |
+---------------+----------+------------+

Play this puzzle online at the Daily Sudoku site
[(1-4)R9C9=(4-7)R9C7=(7)R9C3-(7=8)R7C2-(8)R3C2 and (1)R9C9-(1=2)R7C9-(2)R7C1=(2-7)R5C1=(7)R3C1-(7)R3C2]=>contradiction R3C2=Ø=>-1R9C9

Code:

+-----------+---------+---------+
| 69  2  4  | 69 5 7  | 8  1  3 |
| 1   39 36 | 69 4 8  | 2  5  7 |
| 57  8  57 | 3  1 2  | 9  4  6 |
+-----------+---------+---------+
| 8   1  37 | 2  9 46 | 46 37 5 |
| 67  34 2  | 5  8 1  | 46 37 9 |
| 569 49 56 | 7  3 46 | 1  2  8 |
+-----------+---------+---------+
| 2   7  9  | 4  6 3  | 5  8  1 |
| 4   6  8  | 1  7 5  | 3  9  2 |
| 3   5  1  | 8  2 9  | 7  6  4 |
+-----------+---------+---------+

Play this puzzle online at the Daily Sudoku site

AIC (6)R1C4=(6-9)R2C4=(9-3)R2C2=(3)R5C2-(3=7)R5C8-(7=6)R5C1-(6)R1C1=>-6R1C1=>stte.



Ciao a Tutti

Paolo
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immpy



Joined: 06 May 2017
Posts: 571
PostPosted: Tue Sep 05, 2017 12:39 pm    Post subject: Reply with quote
Hello all,

First step was XY-wing (478) with pivot (47) r9c7, pincers (48) r1c7, and (78) r7c8. r3c8<>8 and r8c7<>8.

Second step was U.R. (69) r12c14. r2c1=1.

Final step was BUG+1 r6c1=6.

Thank you all....
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