NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0238.txt
2021-02-23 21:03:48 更新
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Andoku 3 hard #0238

インデックス
Andoku3
Andoku3-hard

--- -78 ---
8-4 5-1 ---
12- --- -7-

9-8 7-- --6
--5 --- 9--
6-- --5 4-2

-6- --- -18
--- 1-4 7-9
--- 85- ---

--------+------------+-------
3 5 9 /26 7 8 /26 4 1
8 7 4 /5 26 1 /26 9 3
1 2 6 /34 34 9 /8 7 5
--------+------------+-------
9 34 8 /7 234 23/1 5 6
2 134 5 /346 13468 36/9 38 7
6 13 7 /39 1389 5 /4 38 2
--------+------------+-------
4 6 23/239 239 7 /5 1 8
5 8 23/1 236 4 /7 26 9
7 9 1 /8 5 26/3 26 4
--------+------------+-------

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:
11 x Full House
13 x Hidden Single (block)
1 x Hidden Single (column)
1 x Naked Single
1 x Locked Candidates (Claiming, column)
1 x Hidden Pair
1 x XY-Wing

De,Df,Ed,Ee,Ef≠3 // 列予約
Df=9 // NS
Eg=9 // HS
Ee≠4,6 // Hidden Pair 1,8
Da≠6 // XY-Wing Ed:Eb,De
Eb=6 // HS
Fi=6 // HS
De=6 // HS
Ga=6 // HS
Hh=6 // HS
Hi=2 // FH
Gb=2 // FH
Da=2 // FH in row
Eh=2 // HS
Cg=2 // HS
Fd=2 // HS
Fe=3 // FH in column
Hf=3 // HS
Bd=3 // HS
Ch=3 // FH
Dg=3 // FH
Ec=3 // HS
Dc=4 // FH
Ed=4 // FH
Be=4 // HS
Bf=1 // FH
Ee=1 // HS
Ef=8 // FH
He=8 // FH

　　Solved

[EOF]