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very very hard

 
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Tue Jul 11, 2017 11:42 pm    Post subject: very very hard Reply with quote
Hi everyone

Code:

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

Play this puzzle online at the Daily Sudoku site

Ciao a tutti
Paolo
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JC Van Hay



Joined: 13 Jun 2010
Posts: 494
Location: Charleroi, Belgium
PostPosted: Wed Jul 12, 2017 11:11 am    Post subject: Reply with quote
r7c1=3
2r1c9 -> 0 solution; r8c9=2, r9c8=7
1r4c8 -> 1-Fishes(1B9, 1R2), r1c4=r2c1=8; r4c1=2 or r4c1=9 -> 0 solution; r4c8=4; stte
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Ajò Dimonios



Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
PostPosted: Wed Jul 12, 2017 7:32 pm    Post subject: Reply with quote
if R1C2=2=> solution stte
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