數獨問題 - 數獨

By Dinah
at 2009-08-12T00:19
at 2009-08-12T00:19
Table of Contents
※ 引述《yam (我是蕃薯)》之銘言:
: 3-- -5- 9-1
: --- --- -5-
: 9-5 176 --3
: 632 489 517
: 459 617 328
: 178 532 496
: -94 761 -35
: 5-- --- ---
: 7-3 -45 --9
: 解到這裡就卡住 接下來該怎麼辦 謝謝
.----------------.---------------.-----------------.
| 3 2468 67 | 28 5 48 | 9 4678 1 |
| 28 12468 167 | 2389 29 348 | 2678 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+---------------+-----------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+---------------+-----------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 2389 29 38 | 12678 4678 24 |
| 7 1268 3 | 28 4 5 | 1268 68 9 |
'----------------'---------------'-----------------'
28 28 兩個Naked Pair 刪除28
.----------------.-------------.---------------.
| 3 2468 67 | 28 5 48 | 9 4678 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
248 Naked Triplet 刪除 48
.----------------.-------------.---------------.
| 3 2468 67 | 28 5 48 | 9 67 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
8 Pointing 刪除 8
67 Naked Pair 刪除 6
.----------------.-------------.---------------.
| 3 248 67 | 28 5 48 | 9 67 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
248 Naked Triplet 刪除 248
.---------------.-------------.---------------.
| 3 248 67 | 28 5 48 | 9 67 1 |
| 28 16 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:---------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:---------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'---------------'-------------'---------------'
2 X-wing 刪除 2
.---------.---------.---------.
| 3 2 6 | 8 5 4 | 9 7 1 |
| 8 1 7 | 9 2 3 | 6 5 4 |
| 9 4 5 | 1 7 6 | 2 8 3 |
:---------+---------+---------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:---------+---------+---------:
| 2 9 4 | 7 6 1 | 8 3 5 |
| 5 6 1 | 3 9 8 | 7 4 2 |
| 7 8 3 | 2 4 5 | 1 6 9 |
'---------'---------'---------'
解答
--
: 3-- -5- 9-1
: --- --- -5-
: 9-5 176 --3
: 632 489 517
: 459 617 328
: 178 532 496
: -94 761 -35
: 5-- --- ---
: 7-3 -45 --9
: 解到這裡就卡住 接下來該怎麼辦 謝謝
.----------------.---------------.-----------------.
| 3 2468 67 | 28 5 48 | 9 4678 1 |
| 28 12468 167 | 2389 29 348 | 2678 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+---------------+-----------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+---------------+-----------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 2389 29 38 | 12678 4678 24 |
| 7 1268 3 | 28 4 5 | 1268 68 9 |
'----------------'---------------'-----------------'
28 28 兩個Naked Pair 刪除28
.----------------.-------------.---------------.
| 3 2468 67 | 28 5 48 | 9 4678 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
248 Naked Triplet 刪除 48
.----------------.-------------.---------------.
| 3 2468 67 | 28 5 48 | 9 67 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
8 Pointing 刪除 8
67 Naked Pair 刪除 6
.----------------.-------------.---------------.
| 3 248 67 | 28 5 48 | 9 67 1 |
| 28 12468 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:----------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:----------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'----------------'-------------'---------------'
248 Naked Triplet 刪除 248
.---------------.-------------.---------------.
| 3 248 67 | 28 5 48 | 9 67 1 |
| 28 16 167 | 39 29 348 | 67 5 24 |
| 9 248 5 | 1 7 6 | 28 48 3 |
:---------------+-------------+---------------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:---------------+-------------+---------------:
| 28 9 4 | 7 6 1 | 28 3 5 |
| 5 1268 16 | 39 29 38 | 167 4678 24 |
| 7 1268 3 | 28 4 5 | 16 68 9 |
'---------------'-------------'---------------'
2 X-wing 刪除 2
.---------.---------.---------.
| 3 2 6 | 8 5 4 | 9 7 1 |
| 8 1 7 | 9 2 3 | 6 5 4 |
| 9 4 5 | 1 7 6 | 2 8 3 |
:---------+---------+---------:
| 6 3 2 | 4 8 9 | 5 1 7 |
| 4 5 9 | 6 1 7 | 3 2 8 |
| 1 7 8 | 5 3 2 | 4 9 6 |
:---------+---------+---------:
| 2 9 4 | 7 6 1 | 8 3 5 |
| 5 6 1 | 3 9 8 | 7 4 2 |
| 7 8 3 | 2 4 5 | 1 6 9 |
'---------'---------'---------'
解答
--
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