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tarek
 Post subject: Regular Samurai #76
PostPosted: Sun Oct 04, 2009 8:22 pm 
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Regular Samurai #76A (Apprentice)
Rating based on required solving techniques:  Hard

Image
76A Line Format:
Code:
3..4.1..9.71......8.....6.374..........9....2...8..436..5.4.........2....92.3....
375....1.....7..4...6.5.....9.7....86.4...2.5.8.5.2.........7.....264.........6..
..............1......3.........8..37..8...5..47..6.........2......4..............
..7.........721.....8.........5.3.6.1.4...2.86....4.5.....6.8...9..4.....8....491
....3.17....8.........9.2..768..4...2....3..........529.1.....6......41.8..6.5..9


tarek
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Børge
 Post subject: Re: Regular Samurai #76
PostPosted: Wed Oct 14, 2009 3:12 pm 
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Posts: 868
Tarek, this was a brilliant puzzle. :thumbs: :cheers: :applause: :D
Hidden Text:
I really had a hard time finding the Hidden Triplet.

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tarek
 Post subject: Re: Regular Samurai #76
PostPosted: Sat Nov 28, 2009 2:21 pm 
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This is a suggested walkthrough:
Non single moves:
Code:
3..4.1..9.71......8.....6.374..........9....2...8..436..5.4.........2....92.3....
375....1.....7..4...6.5.....9.7....86.4...2.5.8.5.2.........7.....264.........6..
..............1......3.........8..37..8...5..47..6.........2......4..............
..7.........721.....8.........5.3.6.1.4...2.86....4.5.....6.8...9..4.....8....491
....3.17....8.........9.2..768..4...2....3..........529.1.....6......41.8..6.5..9

5 forms an intersection in g3b1/g3r3 [g3r3c5]<>5
5 forms an intersection in g1b6/g1r4 [g1r4c456]<>5
5 forms an intersection in g1b9/g1r9 [g1r9c46]<>5
5 forms an intersection in g1b3/g1c7 [g1r4c7]<>5
2 forms an intersection in g2b7/g2r9 [g2r9c9]<>2
3 forms an intersection in g2b8/g2c4 [g2r3c4]<>3
2 forms an intersection in g3b3/g3r3 [g3r3c5]<>2
38 is a hidden double in g3r2 [g1r8c7]<>9 [g2r8c3]<>9
9 forms an intersection in g2r8/g2b9 [g2r7c8]<>9
167 is a naked triple in g1r7 [g1r7c6]<>6<>7 [g1r7c7]<>1
(x-wing g3c5c8/g3r3r5 [g2r9c1][g3r35c6]<>4 OR g3r1r4/g3c6c7 [g2r9c1][g3r35c6]<>4 not needed)
567 is a hidden triple in g3r3 [g1r9c9]<>1 [g3r3c6]<>8<>9
1 forms an intersection in g3b6/g3r6 [g3r6c34]<>1

Solution:
326481579971365248854279613748623195563914782219857436635748921187592364492136857
375429816219678543846153927592746138634891275187532469463915782758264391921387654
921758463364921758857346921196584237238197546475263819513872694689415372742639185
267498513345721689918635742872513964154976238639284157423169875591847326786352491
694532178372841695185796243768254931259173864413968752931427586526389417847615329
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