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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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 Posted: Mon Jul 03, 2017 10:07 pm Post subject: Hard Complicated I |
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Hi everyone
| Code: |
+-------+-------+-------+
| 3 . . | . . 8 | . . . |
| 8 1 7 | . . . | . . . |
| . . . | . 3 . | . 2 . |
+-------+-------+-------+
| . . 6 | . 2 . | 5 . . |
| 5 3 . | 4 7 6 | . 8 9 |
| . . 9 | . 8 . | 4 . . |
+-------+-------+-------+
| . 6 . | . 9 . | . . . |
| . . . | . . . | 9 4 1 |
| . . . | 3 . . | . . 6 |
+-------+-------+-------+
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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
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| Posted: Tue Jul 04, 2017 9:49 am Post subject: |
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"Basics" : 8 singles, N-Fishes{1C158, 1R5; 2B1; 2R5, 2C9; 7B4} -> -{1r7c46, 1r9c3; 2L1C4; 2L7C3; 7L6C9}
Kraken 5B8 -> r5c3=1; stte
| Code: | +-----------------------+-------------------------+----------------------+
| 3 45(29) 45(2) | 15(679) 145 8 | 1(67) 5(179) 45(7) |
| 8 1 7 | 2569 45 2459 | 36 359 345 |
| 6 459 45 | 1579 3 14579 | 178 2 4578 |
+-----------------------+-------------------------+----------------------+
| 4 8 6 | 19 2 139 | 5 3(17) 3(7) |
| 5 3 -2(1) | 4 7 6 | 2(1) 8 9 |
| 27(1) (27) 9 | (15) 8 135 | 4 6 23 |
+-----------------------+-------------------------+----------------------+
| 27(1) 6 58(14) | 27(5) 9 27(45) | 2378 357 23578 |
| 27 (257) 3 | 8 6 27(5) | 9 4 1 |
| 9 2457 2458 | 3 14(5) 1247(5) | 278 (57) 6 |
+-----------------------+-------------------------+----------------------+ |
r7c4=5 -> r6c4=r5c3=1
r7c6=5 -> r7c3=4, r7c1=r5c3=1
r8c6=5 -> NP(27)r68c2, r1c3=2, r5c3=1
r9c56=5 -> r9c8=r4c9=7, HP(67)r1c47, [1r5c3=1r5c7-1r4c8=(1-9)r1c8=(9-2)r1c2=2r1c3]-(2=1)r5c3 |
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Ajò Dimonios
Joined: 01 May 2017
Posts: 339
Location: Sassari Italy
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| Posted: Tue Jul 04, 2017 8:47 pm Post subject: |
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Hi everyone
My solution
| Code: |
+---------------------+------------------+------------------+
| 3 2459 245 | 15679 1456 8 | 167 15679 457 |
| 8 1 7 | 2569 456 2459 | 36 3569 345 |
| 469 459 45 | 15679 3 14579 | 1678 2 4578 |
+---------------------+------------------+------------------+
| 147 478 6 | 19 2 139 | 5 137 37 |
| 5 3 12 | 4 7 6 | 12 8 9 |
| 127 27 9 | 15 8 135 | 4 1367 23 |
+---------------------+------------------+------------------+
| 1247 6 123458 | 12578 9 12457 | 2378 357 23578 |
| 27 2578 2358 | 25678 56 257 | 9 4 1 |
| 12479 245789 12458 | 3 145 12457 | 278 57 6 |
+---------------------+------------------+------------------+
|
Play this puzzle online at the Daily Sudoku site
Four-step solution with trial and error strategy.
R1C3=2=>error , two singles 7 in line 3=>-2R1C3
R1C4=1=>error, two singles 5 in box 9 =>-1R1C4
R3C4=1=> error, R4C9=Ø=> -1R3C4
R3C6=1=> error, R2C7=Ø=>-1R3C6=> solution stte.
| Code: |
+---------------------+------------------+------------------+
| 3 2459 45 | 5679 1456 8 | 167 15679 457 |
| 8 1 7 | 2569 456 2459 | 36 3569 345 |
| 469 459 45 | 5679 3 4579 | 1678 2 4578 |
+---------------------+------------------+------------------+
| 147 478 6 | 19 2 139 | 5 137 37 |
| 5 3 12 | 4 7 6 | 12 8 9 |
| 127 27 9 | 15 8 135 | 4 1367 23 |
+---------------------+------------------+------------------+
| 1247 6 123458 | 12578 9 12457 | 2378 357 23578 |
| 27 2578 2358 | 25678 56 257 | 9 4 1 |
| 12479 245789 12458 | 3 145 12457 | 278 57 6 |
+---------------------+------------------+------------------+
|
Play this puzzle online at the Daily Sudoku site
Ciao a tutti
Paolo |
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