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Calcudoku 7×7 with undetermined numbers https://www.calcudoku.org/forum/viewtopic.php?f=16&t=642 
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Author:  kozibrada [ Fri Dec 12, 2014 4:15 am ] 
Post subject:  Calcudoku 7×7 with undetermined numbers 
Hihello, this 7×7 calcudoku contains some of numbers 0–9 (integers). And a hint: F… 
Author:  sica [ Fri Dec 12, 2014 3:34 pm ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
What are the possible combinations for 3? 
Author:  pnm [ Fri Dec 12, 2014 4:14 pm ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
Yes, at first sight I'm thinking for that large 3 cage, "the horizontal bar must have 1, 2, 3, but that's not possible!" So that's a clue, really 
Author:  clm [ Sat Dec 13, 2014 12:05 am ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
pnm wrote: Yes, at first sight I'm thinking for that large 3 cage, "the horizontal bar must have 1, 2, 3, but that's not possible!" So that's a clue, really Not necessarily because you could have 0,1,3 for that horizontal, for instance, since there is a 0 in the puzzle because of cage "0x". The real inconsistency that I see is that the 0 of row 7 must necessarily go to a7b7, that is, "5+" = [0,5] and then the 5 of column c must go to c1c2, that is, "5" = [0,5] and, as a consequence, "3+" = [1,2] so c3 = 3 (unique, with b2b3 = [1,2], being [1,1,6] invalid) and I can not imagine which number to place in c4 different than 0,1,2,3 that does not violate the "bitwise or" of cage "3" (the other numbers in the supossed range 4,6,7,8,9 are not valid). So I will wait the "clue" either. 
Author:  kozibrada [ Sat Dec 13, 2014 1:00 am ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
pnm wrote: Yes, at first sight I'm thinking for that large 3 cage, "the horizontal bar must have 1, 2, 3, but that's not possible!" So that's a clue, really clm wrote: The real inconsistency that I see is that the 0 of row 7 must necessarily go to a7b7, that is, "5+" = [0,5] and then the 5 of column c must go to c1c2, that is, "5" = [0,5] and, as a consequence, "3+" = [1,2] so c3 = 3 (unique, with b2b3 = [1,2], being [1,1,6] invalid) and I can not imagine which number to place in c4 different than 0,1,2,3 that does not violate the "bitwise or" of cage "3" (the other numbers in the supossed range 4,6,7,8,9 are not valid). So I will wait the "clue" either. So another hint/clue: My first hint doesn’t mark a column… 
Author:  pnm [ Sat Dec 13, 2014 1:06 pm ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
clm wrote: Not necessarily because you could have 0,1,3 for that horizontal, for instance, since there is a 0 in the puzzle because of cage "0x". You're thinking too deeply It just tells me there must be a zero in the puzzle (so yes, I hadn't even looked at the "0x" cage ) 
Author:  kozibrada [ Fri Dec 19, 2014 5:06 am ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
No reply, so: … 
Author:  sica [ Mon Dec 22, 2014 8:58 pm ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
This is a very good calcudoku. I found a problem in it that I can't solve. It could be a typing error. The large "3" cage can contain 0,1,2 or 3. Because f4=2 cells [b2d2] contain 0,1 and 3. In this case g3=0. In cage "1^" one of cells must be 0 or 1. Because g3=0 one cell must be 1. Cage "6x" can be [1,2,3] or [1,1,6]. But because "1^" contain 1 [1,1,6] is not valid. After this we have on row 3:  in columns b and c [2,3]  in columns e or f [1]  in column g [0] So we used all the numbers possible for large cage "3". In this case we don't have any number left for cell d3. 
Author:  nicow [ Tue Dec 23, 2014 11:01 pm ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
Yes I like this kind of puzzle. I know how hard it is to make one. But I did not find a solution. With the ‘‘3’’ of the large cage replaced by ‘‘15’’ there might be 1 solution. But I don't stick my hands in the fire because I do make many mistakes. 
Author:  kozibrada [ Wed Dec 24, 2014 9:32 am ] 
Post subject:  Re: Calcudoku 7×7 with undetermined numbers 
I’m bringing the third clue for the upper puzzle – more practical and probably deciding: (Note: 0+ integers.) How many solutions has the puzzle? Maybe I’ll be killed for this innovation… 
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