NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0254.txt
2021-04-18 11:39:30 更新
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Andoku 3 hard #0254

インデックス
Andoku3
Andoku3-hard

--8 -5- 2--
--- 3-7 ---
2-3 9-1 7-6

-36 --- 49-
8-- --- --2
-27 --- 81-

3-2 7-6 1-4
--- 4-2 ---
--4 -1- 3--

-------------+-----+----------
79 179 8 /6 5 4/2 3 19
569 14569 159/3 2 7/59 458 189
2 45 3 /9 8 1/7 45 6
-------------+-----+----------
1 3 6 /2 7 8/4 9 5
8 59 59 /1 4 3/6 7 2
4 2 7 /5 6 9/8 1 3
-------------+-----+----------
3 58 2 /7 9 6/1 58 4
579 15789 159/4 3 2/59 6 789
679 679 4 /8 1 5/3 2 79
-------------+-----+----------

Difficulty: 非常に難しい
Rating: 4.2 (easiest: 1.0, hardest: 10.0)

The Sudoku can be solved using the following solving techniques:
10 x Full House
11 x Hidden Single (block)
1 x Hidden Single (column)
1 x Naked Single
2 x X-Wing
1 x Naked Triple
1 x XY-Wing

Bb,Cb,Hb,Bh,Ch≠5 // X-Wing 5 AGbh
Ce=5 // HS in column
Be=9 // FH
Ab,Ib,Ah,Ih≠9 // X-Wing 9 CGbh or aiAI
Bh,Hg≠8 // XY-Wing Ah:Bg,Ih
Bg=8 // HS
Ih=8 // HS
Hb=8 // HS
Hg=5 // FH in row
Ah=5 // HS
Bc=5 // HS
Gb=5 // HS
Hc=4 // FH in row
Bb=4 // HS
Ab=6 // HS
Bi=6 // HS
Gh=9 // FH in column
Ai=9 // HS
Cb=9 // HS
Ia=9 // HS
Ib=1 // FH
Ba=1 // HS
Ch=1 // FH in column
Aa=7 // FH
Bh=7 // FH
Ii=7 // FH
　　Solved

[EOF]