View previous topic :: View next topic |
Author |
Message |
ZeroAssoluto
Joined: 05 Feb 2017 Posts: 941 Location: Rimini, Italy
|
Posted: Sun Jul 16, 2017 10:22 pm Post subject: Jul 17 VH |
|
|
Hi everyone,
Code: |
+-------------+------------+--------+
| 7 8 145 | 3 145 15 | 2 6 9 |
| 6 12 14 | 7 149 129 | 8 3 5 |
| 3 25 9 | 25 6 8 | 1 4 7 |
+-------------+------------+--------+
| 29 59 8 | 25 7 4 | 3 1 6 |
| 4 3 15 | 9 15 6 | 7 2 8 |
| 12 6 7 | 8 3 12 | 5 9 4 |
+-------------+------------+--------+
| 8 79 3 | 4 2 79 | 6 5 1 |
| 19 1479 2 | 6 59 579 | 49 8 3 |
| 5 49 6 | 1 8 3 | 49 7 2 |
+-------------+------------+--------+
|
Play this puzzle online at the Daily Sudoku site
Some of the options to choose from
Quote: | XY-Wing 1,2,5 in r1c6, r6c6, r4c4 and -5 in r3c4.
XY-Wing 1,2,5 in r6c6, r1c6, r3c4 and -2 in r2c6 and r4c4.
W-Wing 1,5 in r1c6, r5c5 connected by number 5 in r8c56 and -1 in r1c5, r2c5, r6c6. |
Ciao Gianni |
|
Back to top |
|
|
Ajò Dimonios
Joined: 01 May 2017 Posts: 339 Location: Sassari Italy
|
Posted: Sun Jul 16, 2017 10:27 pm Post subject: |
|
|
Hi everyone
One step solution.
Forcing chain [(1-5)R1C6=(5)R8C6-(5=9)R8C5 and (1)R1C6-(1)R6C6=(1)R6C1-(1=9)R8C1]=>contradiction, two singles 9 in line 8=>-1R1C6=>solution stte.
Ciao a tutti
Paolo |
|
Back to top |
|
|
Ajò Dimonios
Joined: 01 May 2017 Posts: 339 Location: Sassari Italy
|
Posted: Mon Jul 17, 2017 3:28 pm Post subject: |
|
|
Hi everyone
Code: |
+-------------+------------+--------+
| 7 8 145 | 3 145 15 | 2 6 9 |
| 6 12 14 | 7 149 129 | 8 3 5 |
| 3 25 9 | 25 6 8 | 1 4 7 |
+-------------+------------+--------+
| 29 59 8 | 25 7 4 | 3 1 6 |
| 4 3 15 | 9 15 6 | 7 2 8 |
| 12 6 7 | 8 3 12 | 5 9 4 |
+-------------+------------+--------+
| 8 79 3 | 4 2 79 | 6 5 1 |
| 19 1479 2 | 6 59 579 | 49 8 3 |
| 5 49 6 | 1 8 3 | 49 7 2 |
+-------------+------------+--------+
|
Play this puzzle online at the Daily Sudoku site
Others solutions with one step .
1) [(1-2)R2C2=(2-5)R3C2=(5)R3C4 and (1)R2C2-(1)R12C3=(1)R5C3-(1)R5C5=(1)R6C6-(1=5)R1C6]=>contradiction, two singles 5 in box 2=>-1R2C2=>solution stte.
2) [(9-2)R2C6=(2-5)R3C4=(5)R3C2 and (9)R2C6-(9)R2C5=(9-5)R8C5=(5)R5C5-(5)R4C4=(5)R4C2]=>contradiction, two singles 5 in column 2=>-9R2C6=>solution stte.
Ciao a tutti
Paolo |
|
Back to top |
|
|
Ajò Dimonios
Joined: 01 May 2017 Posts: 339 Location: Sassari Italy
|
Posted: Mon Jul 17, 2017 3:57 pm Post subject: |
|
|
Hi everyone
Code: |
+-------------+------------+--------+
| 7 8 145 | 3 145 15 | 2 6 9 |
| 6 12 14 | 7 149 129 | 8 3 5 |
| 3 25 9 | 25 6 8 | 1 4 7 |
+-------------+------------+--------+
| 29 59 8 | 25 7 4 | 3 1 6 |
| 4 3 15 | 9 15 6 | 7 2 8 |
| 12 6 7 | 8 3 12 | 5 9 4 |
+-------------+------------+--------+
| 8 79 3 | 4 2 79 | 6 5 1 |
| 19 1479 2 | 6 59 579 | 49 8 3 |
| 5 49 6 | 1 8 3 | 49 7 2 |
+-------------+------------+--------+
|
Play this puzzle online at the Daily Sudoku site
Others solutions with one step .
1) [(2-5)R3C2=(5)R1C3-(5=1)R1C6 and (2)R3C2-(2)R3C4=(2)R4C4-(2=1)R6C6]=>contradiction, two singles 1 in column 6=>-2R3C2=>solution stte.
2) [(2-5)R4C4=(5)R3C4-(5=1)R1C6 and (2)R4C4-(2=1)R6C6]=>contradiction, two singles 1 in column 6=>-2R4C4=>solution stte.
Ciao a tutti
Paolo |
|
Back to top |
|
|
|
|
You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum
|
Powered by phpBB © 2001, 2005 phpBB Group
|