NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0278.txt
2021-09-13 20:32:47 更新
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Andoku 3 hard #0278

インデックス
Andoku3
Andoku3-hard

-6- -1- 95-
8-1 -9- ---
--9 5-- ---

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

--- --5 6--
--- -2- 8-5
-87 -6- -9-

-------------+----------+-----------------
2347 6 234/347 1 28 /9 5 3478
8 5 1 /347 9 26 /347 2347 3467
2347 2347 9 /5 37 268/347 123478 134678
-------------+----------+-----------------
9 237 235/6 4 1 /357 378 378
6 47 8 /9 5 3 /1 47 2
134 134 345/2 8 7 /345 6 9
-------------+----------+-----------------
1234 9 234/8 37 5 /6 1347 1347
134 134 6 /137 2 9 /8 1347 5
5 8 7 /13 6 4 /2 9 13
-------------+----------+-----------------

Difficulty: 非常に難しい
Rating: 4.0 (easiest: 1.0, hardest: 10.0)

The Sudoku can be solved using the following solving techniques:
15 x Full House
20 x Hidden Single (block)
2 x Hidden Single (column)
1 x Hidden Single (row)
1 x Naked Single
1 x Locked Candidates (Pointing, block)
1 x Locked Candidates (Claiming, column)
2 x Finned X-Wing
1 x Hidden Triple

Bc≠7 // 列予約
Fc≠2; Hc≠2,3,4,7; Ic≠3,4,7 // Hidden Triple 1,6,8
Hb=2 // HS
Fa=2 // HS
Fb=6 // NS
Ic=6 // HS
Fc=8 // FH in column
Ia=8 // HS
Hd=8 // HS
Hc=1 // HS
Ig,Ii≠3 // 列予約
Di=3 // HS
Ec=3 // HS
Eg=7 // FH in column
Hh=7 // HS
Be=7 // HS in row
Dh=1 // FH
Ii=1 // FH in row
Ag=1 // HS
Bf=1 // HS
He=4 // FH in row
Ig=4 // HS
Hg=3 // FH
Cg=2 // FH in row
Bd=2 // HS
Ac=2 // HS
Aa=7 // HS
Cb=7 // HS
Gc=7 // HS
Id=7 // HS
Ib=3 // FH in column
Ca=3 // HS
Af=3 // HS
Bh=3 // HS
Gd=3 // HS
Gb=4 // FH
Da=4 // FH
Bc=4 // FH
Ah=4 // FH
Cf=4 // HS
Cd=5 // FH
Gf=5 // FH
Solved

[EOF]