NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0239.txt
2021-02-23 21:59:02 更新
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Andoku 3 hard #0239

インデックス
Andoku3
Andoku3-hard

--9 -5- 7--
--- 4-8 ---
3-- 967 --4

-81 --- 92-
9-2 --- 5-3
-35 --- 18-

2-- 835 --1
--- 1-4 ---
--4 -2- 8--

-------------+---------+---------
16 4 9 /3 5 2 /7 16 8
567 2 67/4 1 8 /3 569 569
3 15 8 /9 6 7 /2 15 4
-------------+---------+---------
467 8 1 /5 47 3 /9 2 67
9 67 2 /67 8 1 /5 4 3
467 3 5 /2 479 69/1 8 67
-------------+---------+---------
2 679 67/8 3 5 /4 79 1
8 579 3 /1 79 4 /6 579 2
1567 15679 4 /67 2 69/8 3 579
-------------+---------+---------

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:
13 x Full House
15 x Hidden Single (block)
3 x Locked Candidates (Pointing, block)
2 x X-Wing
1 x Finned X-Wing
1 x XY-Wing

Ib≠6 // 列予約
Ii≠7 // 列予約
Bg,Bh≠7 // Finned X-Wing eiBD
Ai≠7 // X-Wing BDei
Bi,Hb≠5 // X-Wing AIbi or chBH
Cg≠7 // XY-Wing Hb:Cb,Hg
Bi=7 // HS
Eh=7 // HS
Hg=7 // HS
De=7 // HS
Cb=7 // HS in column
Cg=6 // FH in column
Ff=6 // HS
Id=6 // HS
Be=6 // HS
Di=6 // HS
Fi=9 // FH
Hh=9 // HS
Bg=9 // HS
Ef=9 // HS
Ib=9 // HS
Ii=5 // FH
Bh=5 // FH in row
Ab=5 // HS
Hc=5 // HS
Ai=1 // FH
Bc=1 // FH in row
Ha=1 // HS
Aa=6 // FH
Hb=6 // FH
Ed=4 // FH
Af=4 // HS
Ad=7 // FH
If=7 // FH
　　Solved

[EOF]