數獨求解 - 數獨
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By Doris
at 2013-01-03T22:11
at 2013-01-03T22:11
Table of Contents
防雷
A B C D E F G H I
╭─┬─┬─╥─┬─┬─╥─┬─┬─╮
1│2 │ │6 ║ │ │1 ║ │8 │ │ 先用7的Single Chain把I5的7消去
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
2│1 │7 │ ║8 │2 │9 ║5 │6 │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
3│ │5 │ ║4 │6 │7 ║ │ │ │
╞═╪═╪═╬═╪═╪═╬═╪═╪═╡
4│6 │1 │ ║ │4 │ ║8 │ │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
5│ │ │2 ║ │ │6 ║3 │ │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
6│ │ │5 ║ │7 │ ║ │9 │6 │
╞═╪═╪═╬═╪═╪═╬═╪═╪═╡
7│ │6 │ ║2 │1 │5 ║ │ │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
8│5 │3 │ ║6 │9 │4 ║ │2 │8 │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
9│ │2 │ ║7 │ │ ║6 │ │5 │
╰─┴─┴─╨─┴─┴─╨─┴─┴─╯
A B C D E F G H I
╭─┬─┬─╥─┬─┬─╥─┬─┬─╮
1│2 │ │6 ║ │ │1 ║ │8 │ │ 再看I2、H3、I5的小數字
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
2│1 │7 │ ║8 │2 │9 ║5 │6 │34│ 利用Y-wing把I3的1消去
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
3│ │5 │ ║4 │6 │7 ║ │13│ │ 這樣第I排只有I5這個地方能填1
╞═╪═╪═╬═╪═╪═╬═╪═╪═╡
4│6 │1 │ ║ │4 │ ║8 │ │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
5│ │ │2 ║ │ │6 ║3 │ │14│ (Y-wing同時也可消I7的候選數4)
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
6│ │ │5 ║ │7 │ ║ │9 │6 │
╞═╪═╪═╬═╪═╪═╬═╪═╪═╡
7│ │6 │ ║2 │1 │5 ║ │ │ │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
8│5 │3 │ ║6 │9 │4 ║ │2 │8 │
├─┼─┼─╫─┼─┼─╫─┼─┼─┤
9│ │2 │ ║7 │ │ ║6 │14│5 │
╰─┴─┴─╨─┴─┴─╨─┴─┴─╯
防雷
--
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By Kelly
at 2013-01-04T00:32
at 2013-01-04T00:32
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at 2013-01-04T22:08
at 2013-01-04T22:08
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