NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0264.txt
2021-06-25 09:24:48 更新
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Andoku 3 hard #0264

インデックス
Andoku3
Andoku3-hard

-7- 832 1--
--9 -6- 2--
-8- --- -3-

-67 -83 ---
--- --- ---
--- 94- 35-

-1- --- -2-
--4 -1- 5--
--5 476 -8-

--------+--------+--------
45 7 6/8 3 2 /1 49 59
3 45 9/157 6 15/2 47 8
1 8 2/57 9 4 /6 3 57
--------+--------+--------
59 6 7/15 8 3 /4 19 2
459 45 3/6 2 15/8 179 79
8 2 1/9 4 7 /3 5 6
--------+--------+--------
6 1 8/3 5 9 /7 2 4
7 9 4/2 1 8 /5 6 3
2 3 5/4 7 6 /9 8 1
--------+--------+--------

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:
9 x Full House
6 x Hidden Single (block)
1 x Hidden Single (column)
1 x Hidden Single (row)
1 x X-Wing
1 x XY-Wing

Db,Ae≠5 // X-Wing 5 BFbe
Hd≠9 // XY-Wing Aa:Ha,Ad
Hd=1 // NS
Fe=1 // HS
Db=1 // HS
Dd=5 // FH
Be=5 // HS
Aa=5 // HS
Fb=5 // FH in column
Ic=5 // HS
Bb=4 // FH
Ae=4 // HS
Ha=4 // HS
Hb=7 // FH in row
Dc=7 // FH
Ie=7 // HS
Ad=9 // FH
He=9 // FH
Ia=9 // FH
　　 Solved
[EOF]