Puzzles sharing 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.06.30 08:56:16 **Edit** to see specific proof for specific solution, you need to solve the puzzle and count the number of parallel lines (either horizontal or vertical) in the loop then add that number to the end of the solution link in order to get the correct link.
***Edit*** the above rule has been deleted ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
here're some of my puzzles, play if you have time, tell me if you have another better solution.
[jcsl17] difficulty: very hard
solution
[jcsl27] difficulty: extreme
my solution for this is extremely ugly, so hope for another better solution.
[jcsl12] difficulty: hard
solution
[jcsl15] difficulty: hard
solution
[jcsl25] difficulty: very hard
solution about my solution, top cross at r1c6, top line at c5r5, top line at c4r5, both of them are explained by the relativity of symmetry.
Last edited by Jankonyex  2007.12.27 08:55:41 
foilman KwonTom Admin Puzzles: 3097 Best Total: 24m 6s  Posted  2006.06.30 14:54:49 I couldn't do the extreme one [jcsl27] on paper... just got a few lines and a cross. So I let my puzzle solver have a go at it  it took AGES but got there in the end. So there aren't any other solutions. 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.07.03 08:22:02 quite busy, not enough time to write new puzzles.
[jcsl34] difficulty: very hard
solution
[jcsl35] difficulty: normal
solution
Last edited by Jankonyex  2006.09.09 08:40:52 
mathmaniac KwonTom Obsessive Puzzles: 1292 Best Total: 20m 57s  Posted  2006.07.03 19:01:01 How many soulutions does this puzzle have?

mathmaniac KwonTom Obsessive Puzzles: 1292 Best Total: 20m 57s  Posted  2006.07.03 19:31:48 Is this unique?

mathmaniac KwonTom Obsessive Puzzles: 1292 Best Total: 20m 57s  Posted  2006.07.03 19:41:58 I like the solution to this one... That is if it is the only one.

Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.07.04 10:13:58
Quote: Originally Posted by mathmaniac How many soulutions does this puzzle have?

Two solution. This pattern can form extreme puzzles, I've posted this before, with size 6x6 is already very difficult, I don't want to creat similar puzzles with bigger size because I don't think that's for human.
Last edited by Jankonyex  2006.07.04 10:15:19 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.07.04 15:39:41 A bit like [jcsl34] [jcsl39] difficulty: hard
solution
Last edited by Jankonyex  2006.09.09 08:46:34 
lodenkamper KwonTom Fan Puzzles: 21 Best Total: 47m 58s  Posted  2006.07.05 17:55:02
Quote: Originally Posted by mathmaniac I like the solution to this one... That is if it is the only one. 
This has nine solutions. Numbers can be added at (1,8 ) (3,1) (8,10) (10,3) (these are row, column coordinates) to make the puzzle unique. If these new numbers are all 2s, then the symmetric solution is forced, while various asymmetric solutions can be forced by making some of these new numbers 1s or 3s.
Last edited by lodenkamper  2006.07.05 19:18:57 
lodenkamper KwonTom Fan Puzzles: 21 Best Total: 47m 58s  Posted  2006.07.05 18:00:57
Quote: Originally Posted by mathmaniac Is this unique?

Unfortunately, it's not unique. There are at least several thousand solutions, but I can't say exactly how many, since my solver can't do the count in a reasonable time. Many numbers have to be added to the puzzle to force a unique solution.
Last edited by lodenkamper  2006.07.05 19:23:39 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.07.09 15:57:33 [jcsl3601] difficulty: hard
solution
[jcsl3602] difficulty: very hard
solution
Last edited by Jankonyex  2006.09.09 08:49:09 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.07.09 17:55:30 a nonunique puzzle:
Last edited by Jankonyex  2006.09.09 08:51:58 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.09.08 17:45:19 I took a few minutes to write this when I was at school today:
[jsl10+] difficulty: easy
solution
If anybody have a difficulty in reading my solution, take a look at these: (these are basic concepts, if you want more, try jsl10+ or read my solution) deduce that the little "?" is a line.
If one mouth have two points, and big "?"s in each mouth (excepting r4c3) both have at least one "?" is at least "1", then both mouths must be opened, that means none of two points in both mouths can be blocked to form a corner situation. also deduce that there's one line go to r4c3 from pt.r5c3.
Last edited by Jankonyex  2006.09.09 08:56:46 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.09.09 15:38:51 [jcsl3603] difficulty: extreme
solution
In my solution, the "2" at r8c5 is partially ignored in the analysis. Actually you can play directly with the corner 3n23 extreme situation and get a line on the right of the "3" at r6c10, but it's too complicated... I think.
Edit: KwonTom Wrong also: change the "3" at r6c10 into "1".
Last edited by Jankonyex  2006.09.10 03:00:20 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2006.09.10 15:44:07 [jcsl03] difficulty: ghost
solution 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2007.03.09 10:41:47 [jcslli01] difficulty: normal
solution
I wrote it in school today, everything are normal BUT all numbers INSIDE the loop TELL LIES.
so sad, bad connection lower my result today, especially the Wrong, it loaded for about 2 minutes to send the result ! T^T 
chairman KwonTom Obsessive Puzzles: 1397 Best Total: 17m 32s  Posted  2007.03.09 15:24:26 A very nice idea. However, the solution seems not to be unique. You can put the south west cornered 1 inside the loop, and all other squares as in your solution, isn't it? 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2007.03.10 02:25:22
Quote: Originally Posted by chairman A very nice idea. However, the solution seems not to be unique. You can put the south west cornered 1 inside the loop, and all other squares as in your solution, isn't it? 
Thanks for telling me, I'll improve it later. 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2007.03.10 09:58:16 [jcslsy01] difficulty: easy
solution
[jcslsy02] difficulty: easy
solution
everything are normal BUT the loop is ROTATIONAL SYMMETRIC.
Last edited by Jankonyex  2007.03.10 10:02:01 
Jankonyex KwonTom Obsessive Puzzles: 5518 Best Total: 9m 35s  Posted  2007.03.10 17:46:03 [jcslru01] difficulty: easy
solution
Last edited by Jankonyex  2007.03.10 17:46:52 