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7x7 difficult 18 Jan 2016 aka 20160118/7/2 http://www.calcudoku.org/forum/viewtopic.php?f=16&t=764 
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Author:  earlgrey [ Mon Jan 18, 2016 9:30 am ] 
Post subject:  7x7 difficult 18 Jan 2016 aka 20160118/7/2 
Dear All, Happy New Year. Started this 7x7 fine: Noticed that 125 = 3^5 So most of the cages for row 1 and column a can be pencilled in. The '5 mod' at b4 is either (5,6) or (5,7) After that I am stuck. I can see that the cages 11+ at b2 and 10+ at c3 m u st both contain either a 6 or a 7. But I just can't get any further. Tips? Suggestions? Help! Many thanks EG 
Author:  pnm [ Mon Jan 18, 2016 9:53 am ] 
Post subject:  Re: 7x7 difficult 18 Jan 2016 aka 20160118/7/2 
For reference, and so it's always available, here's the puzzle: 
Author:  earlgrey [ Mon Jan 18, 2016 10:23 am ] 
Post subject:  Re: 7x7 difficult 18 Jan 2016 aka 20160118/7/2 
Thanks 
Author:  nailhouse [ Mon Jan 18, 2016 11:50 am ] 
Post subject:  Re: 7x7 difficult 18 Jan 2016 aka 20160118/7/2 
* I used the 3 cage at d2; Which number must be filled in at d2? This in relation to the sum of b3 and g3 With most possible solutions I got stuck quickly. * 112x cage has few possible solutions 
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