NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0288.txt
2021-10-17 20:55:17 更新
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Andoku 3 hard #0288

インデックス
Andoku3
Andoku3-hard

8-4 5-1 3-9
--9 --- 4--
23- 8-9 -15

5-3 --- 1-2
--- --- ---
4-2 --- 7-3

32- 1-7 -46
--1 --- 5--
9-5 6-3 2-1

------+------------+--------
8 6 4!5 27 1 !3 27 9
1 5 9!237 2367 26 !4 278 78
2 3 7!8 9 4 !6 1 5
------+------------+--------
5 89 3!47 4678 68 !1 69 2
7 19 6!23 123 25 !8 59 4
4 18 2!9 168 568!7 56 3
------+------------+--------
3 2 8!1 5 7 !9 4 6
6 47 1!24 248 9 !5 3 78
9 47 5!6 48 3 !2 78 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:
14 x Full House
12 x Hidden Single (block)
2 x Hidden Single (column)
1 x Locked Candidates (Pointing, block)
1 x Hidden Pair
1 x Hidden Triple
1 x XY-Wing

Ed,Ef≠8 // 列予約
Bd≠8 // XY-Wing Ef:Fd,Bf
Bf=8 // HS
Fd=8 // HS
Be=1 // HS
Ef=1 // HS
Bd=9 // FH
He=9 // HS
Hf=5 // HS
Fe=5 // HS
Hd=6 // FH
Ff=6 // FH in row
Eb=6 // HS
Db=3 // HS
Ee=3 // HS
De=2 // FH in row
Eh=2 // HS
Fb=2 // FH in column
Ha=2 // HS
Ea=7 // FH
Dd=7 // HS
Ed=4 // FH
Dh=4 // FH in column
Bi=4 // HS
Bh=7 // FH
Hi=7 // HS
Ib=7 // HS
Ei=8 // FH
Hb=8 // FH
Ih=8 // FH
Solved

[EOF]