數獨卡關 - 數獨
By Zenobia
at 2012-10-02T23:06
at 2012-10-02T23:06
Table of Contents
╔═╤═╤═╦═╤═╤═╦═╤═╤═╗ 候選數 A 256
║6│ │ ║ │3│ ║ │ │9║ B 36
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢ C 56
║ │ │ ║4│A│8║B│ │C║
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢
║ │ │3║ │9│ ║2│ │ ║ 注意到第五橫排有個2
╠═╪═╪═╬═╪═╪═╬═╪═╪═╣
║ │4│ ║8│ │9║7│6│3║ 所以第五直列的2只能在中間的九宮格
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢
║3│ │7║ │4│ ║9│2│8║ 因此A的候選數去掉2
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢
║ │8│ ║7│ │3║5│4│1║ B就可以得到是3了
╠═╪═╪═╬═╪═╪═╬═╪═╪═╣
║ │ │2║ │7│ ║1│ │ ║
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢
║ │ │ ║3│8│5║ │9│2║ (如果配上Xwing也可以解左上九宮格的2)
╟─┼─┼─╫─┼─┼─╫─┼─┼─╢
║5│ │ ║ │1│ ║ │ │7║
╚═╧═╧═╩═╧═╧═╩═╧═╧═╝
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at 2012-10-04T11:33
at 2012-10-04T11:33
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