NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0273.txt
2021-08-26 15:56:54 更新
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Andoku 3 hard #0273

インデックス
Andoku3
Andoku3-hard

-4- 2-- -57
7-6 -5- ---
58- --- 2--

--- 19- 7-4
-1- --- -3-
8-9 -45 ---

--2 --- -63
--- -3- 1-9
39- --1 -4-

--------+--------------+------
9 4 1 /2 68 68 /3 5 7
7 2 6 /39 5 39 /4 1 8
5 8 3 /47 1 47 /2 9 6
--------+--------------+------
2 36 5 /1 9 36 /7 8 4
46 1 47/678 2 678 /9 3 5
8 37 9 /37 4 5 /6 2 1
--------+--------------+------
1 57 2 /45789 78 4789/58 6 3
46 56 48/4568 3 2 /1 7 9
3 9 78/5678 678 1 /58 4 2
--------+--------------+------

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:
14 x Full House
9 x Hidden Single (block)
4 x Hidden Single (column)
2 x Locked Candidates (Pointing, block)
1 x Locked Candidates (Claiming, column)
1 x Hidden Pair
1 x Hidden Triple
1 x XY-Wing

Dg≠4 // 行予約
Dh≠6 // 行予約
Dg,Di,Fg≠7 // 列予約
Gg≠5 // XY-Wing Ci:Bg,Gi
Gi=5 // HS
Gg=8 // FH
Eg=7 // NS
Ci=7 // HS
Bf=7 // HS
Ce=4 // NS
Ah=4 // HS
Ae=6 // FH in column
Bh=6 // HS
Fd=6 // HS
Ea=6 // HS
Di=6 // HS
Ei=8 // FH in row
Ch=8 // HS
Fa=8 // FH in row
De=8 // HS
Fe=7 // FH in row
Dc=7 // HS
Fc=4 // FH in row
Dg=4 // HS
Bg=5 // FH
Dh=5 // FH in row
Fg=9 // FH
Db=9 // HS
Bd=3 // FH
Df=3 // FH
Fb=3 // FH
　　Solved

[EOF]