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Aug 17 VH

 
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Earl



Joined: 30 May 2007
Posts: 677
Location: Victoria, KS
PostPosted: Wed Aug 17, 2022 11:41 am    Post subject: Aug 17 VH Reply with quote
147 xywing, -7R2C4

Early Earl
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ZeroAssoluto



Joined: 05 Feb 2017
Posts: 942
Location: Rimini, Italy
PostPosted: Wed Aug 17, 2022 1:05 pm    Post subject: Reply with quote
Hi everyone,

BUG+1 in r2c6 -4 -8 = 7
or
W-Wing 4,7 in r2c5,r7c6 SL with number 7 in r4c56 and -4 in r2c6,r9c5

Ciao Gianni
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Wed Aug 17, 2022 4:47 pm    Post subject: Another way Reply with quote
r7c6 = 4 to solve
Code:

+--------+----------------+---------+
| 5 6 7  |  2    3    1   | 4  8 9  |
| 9 1 3  |  78   47   478 | 5  2 6  |
| 8 2 4  |  6    9    5   | 7  3 1  |
+--------+----------------+---------+
| 2 8 59 |  4    57  d67  | 69 1 3  |
| 3 7 59 | b18   15  c68  | 69 4 2  |
| 1 4 6  |  3    2    9   | 8  7 5  |
+--------+----------------+---------+
| 6 3 2  |  9    8   x47  | 1  5 47 |
| 4 5 18 | a17   6    2   | 3  9 78 |
| 7 9 18 |  5    14   3   | 2  6 48 |
+--------+----------------+---------+

Play this puzzle online at the Daily Sudoku site

XY chain abcd gives pincers of <7> in a + d to remove <7> from x
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TomC



Joined: 30 Oct 2020
Posts: 358
Location: Wales
PostPosted: Wed Aug 17, 2022 8:38 pm    Post subject: Reply with quote
r8c4 = 7 or r5c5 = 5 to solve
Code:

+--------+----------------+---------+
| 5 6 7  |  2    3    1   | 4  8 9  |
| 9 1 3  | c78  b47   478 | 5  2 6  |
| 8 2 4  |  6    9    5   | 7  3 1  |
+--------+----------------+---------+
| 2 8 59 |  4    57   67  | 69 1 3  |
| 3 7 59 | d18  x15   68  | 69 4 2  |
| 1 4 6  |  3    2    9   | 8  7 5  |
+--------+----------------+---------+
| 6 3 2  |  9    8    47  | 1  5 47 |
| 4 5 18 | x17   6    2   | 3  9 78 |
| 7 9 18 |  5   a14   3   | 2  6 48 |
+--------+----------------+---------+

XY chain abcd gives pincers of <1> in a + d to remove <1> from x
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