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sudokuEd
Grandmaster

Joined: 19 Jun 2006
Posts: 257
Location: Sydney Australia

Posted: Fri Dec 22, 2006 8:28 pm    Post subject: X-treme Friday Dec 22 - no doddle

Maybe Ruud heard emm's MOAM on that other thread? Dec 22 X-treme's found it's X

Next move someone?
 Code: .------------------.------------------.------------------. | 8     3     2    | 69    69    1    | 7     4     5    | | 4     17    15   | 258   357   2378 | 238   6     9    | | 59    79    6    | 258   3457  23478| 38    1     23   | :------------------+------------------+------------------: | 235   6     358  | 4     1     9    | 235   3578  2378 | | 159   189   7    | 3     2     6    | 4     589   18   | | 239   4     13   | 7     8     5    | 123   39    6    | :------------------+------------------+------------------: | 67    5     4    | 168   367   378  | 9     2     178  | | 67    18    38   | 12569 5679  27   | 15    37    4    | | 13    2     9    | 158   457   478  | 6     578   137  | '------------------'------------------'------------------'
emm
Hooked

Joined: 11 Oct 2006
Posts: 34

 Posted: Sat Dec 23, 2006 3:57 am    Post subject: Ed, would you like the XY chain or the ALS (9=3)-r6c8-(3=7)-r8c8-(7=1)-r2c2-(1=5)-r2c3-(5=9)-r3c1 -> r6c1<>9 ALS(A=[r68c8], [B=r2c23, r3c1], X=7, Z=9) -> [r6c1]<>9 PS: Mother of All Moans?
sudokuEd
Grandmaster

Joined: 19 Jun 2006
Posts: 257
Location: Sydney Australia

Posted: Sat Dec 23, 2006 5:40 am    Post subject:

 emm wrote: would you like the XY chain or the ALS
The chain thanks - more Christmassie.

OK, my turn - then back to mutilating more presents by 'wrapping' them.

1 in r9c9 -> 1 in r8c2 -> no 1 in r5c2
1 in r2c2 -> no 1 in r5c2
-> no 1 in r5c2

 Code: .------------------.------------------.------------------. | 8     3     2    | 69    69    1    | 7     4     5    | | 4     17    15   | 258   357   2378 | 238   6     9    | | 59    79    6    | 258   3457  23478| 38    1     23   | :------------------+------------------+------------------: | 235   6     358  | 4     1     9    | 235   3578  2378 | | 159   89    7    | 3     2     6    | 4     58    18   | | 23    4     13   | 7     8     5    | 123   9     6    | :------------------+------------------+------------------: | 67    5     4    | 168   367   378  | 9     2     178  | | 67    18    38   | 12569 5679  27   | 15    37    4    | | 13    2     9    | 158   457   478  | 6     578   137  | '------------------'------------------'------------------'

PS yep
emm
Hooked

Joined: 11 Oct 2006
Posts: 34

 Posted: Sat Dec 23, 2006 6:55 pm    Post subject: Strong links on 3s -> r4c1<>3 then ALS(A=[r46c1], B=[r26c3], X=3, Z=5 -> [r3c1]<>5
Para
Yokozuna

Joined: 08 Nov 2006
Posts: 384
Location: The Netherlands

Posted: Wed Jan 10, 2007 7:47 pm    Post subject: Just practising

I was just practising a little on the x-files. Also did this one and thought i just share a little.
There's an easier way to crack the puzzle

 Code: .------------------.------------------.------------------. | 8     3     2    | 69*   69*   1    | 7     4     5    | | 4     17    15   | 258   357   2378 | 238   6     9    | | 59    79    6    | 258   3457  23478| 38    1     23   | :------------------+------------------+------------------: | 235   6     358  | 4     1     9    | 235   3578  2378 | | 159   189   7    | 3     2     6    | 4     589   18   | | 239   4     13   | 7     8     5    | 123   39    6    | :------------------+------------------+------------------: | 67    5     4    | 168   367   378  | 9     2     178  | | 67    18    38   | 12569*5679* 27   | 15    37    4    | | 13    2     9    | 158   457   478  | 6     578   137  | '------------------'------------------'------------------'

Take this UR. 69 locked in R1C45, 9 locked in R8C45 which eliminates 6 from R8C45. This gives you the 6 in R8C1 and the 7 in R7C1. this gives you a naked pair 18 in R57C9 and the puzzle falls.

Para
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