Calcudoku 7×7 with undetermined numbers
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kozibrada
Posted on: Fri Dec 12, 2014 4:15 am
Posts: 57 Joined: Sun Feb 03, 2013 3:25 am
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Calcudoku 7×7 with undetermined numbers
Hihello, this 7×7 calcudoku contains some of numbers 0–9 (integers). And a hint: F…
Last edited by kozibrada on Sun Oct 01, 2017 3:50 pm, edited 2 times in total.
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sica
Posted on: Fri Dec 12, 2014 3:34 pm
Posts: 10 Joined: Wed Oct 15, 2014 12:42 pm
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Re: Calcudoku 7×7 with undetermined numbers
What are the possible combinations for 3|?
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pnm
Posted on: Fri Dec 12, 2014 4:14 pm
Posts: 3301 Joined: Thu May 12, 2011 11:58 pm
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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
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clm
Posted on: Sat Dec 13, 2014 12:05 am
Posts: 856 Joined: Fri May 13, 2011 6:51 pm
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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 a7-b7, that is, "5+" = [0,5] and then the 5 of column c must go to c1-c2, that is, "5-" = [0,5] and, as a consequence, "3+" = [1,2] so c3 = 3 (unique, with b2-b3 = [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.
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kozibrada
Posted on: Sat Dec 13, 2014 1:00 am
Posts: 57 Joined: Sun Feb 03, 2013 3:25 am
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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 a7-b7, that is, "5+" = [0,5] and then the 5 of column c must go to c1-c2, that is, "5-" = [0,5] and, as a consequence, "3+" = [1,2] so c3 = 3 (unique, with b2-b3 = [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. I’m not sure if Patrick found out the solution. According to the smiley, maybe yes. So another hint/clue: My first hint doesn’t mark a column…
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pnm
Posted on: Sat Dec 13, 2014 1:06 pm
Posts: 3301 Joined: Thu May 12, 2011 11:58 pm
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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 )
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kozibrada
Posted on: Fri Dec 19, 2014 5:06 am
Posts: 57 Joined: Sun Feb 03, 2013 3:25 am
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Re: Calcudoku 7×7 with undetermined numbers
No reply, so: …
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sica
Posted on: Mon Dec 22, 2014 8:58 pm
Posts: 10 Joined: Wed Oct 15, 2014 12:42 pm
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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 [b2-d2] 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.
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nicow
Posted on: Tue Dec 23, 2014 11:01 pm
Posts: 84 Joined: Fri May 13, 2011 9:37 am
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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.
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kozibrada
Posted on: Wed Dec 24, 2014 9:32 am
Posts: 57 Joined: Sun Feb 03, 2013 3:25 am
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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…
Last edited by kozibrada on Fri Jan 12, 2018 5:29 am, edited 1 time in total.
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