NPtest 情報館 ver.3.04

F = datas/andoku3-hard-0263.txt
2021-06-25 08:51:54 更新
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Andoku 3 hard #0263

インデックス
Andoku3
Andoku3-hard

1-- 962 --7
--- 1-5 ---
--6 4-3 2--

972 --- 651
4-- --- --3
361 --- 824

--9 5-8 1--
--- 3-6 ---
6-- 217 --5

---------------+------+-------------
1 348 348 /9 6 2/5 348 7
278 23489 3478/1 78 5/349 34689 689
578 589 6 /4 78 3/2 1 89
---------------+------+-------------
9 7 2 /8 3 4/6 5 1
4 58 58 /6 2 1/79 79 3
3 6 1 /7 5 9/8 2 4
---------------+------+-------------
27 23 9 /5 4 8/1 367 26
2578 1 4578/3 9 6/47 478 28
6 348 348 /2 1 7/349 3489 5
---------------+------+-------------

Difficulty: 非常に難しい
Rating: 3.8 (easiest: 1.0, hardest: 10.0)

The Sudoku can be solved using the following solving techniques:
11 x Full House
17 x Hidden Single (block)
1 x Hidden Single (column)
1 x Hidden Single (row)
1 x Naked Single
1 x Locked Candidates (Claiming, column)
1 x Naked Pair
1 x Finned X-Wing
1 x Swordfish

Gb,Hb≠9 // X-Wing 9 BIbc or eiGH
Bb≠3 // Finned X-Wing 3 afBH or CGbi
Bb,Cb,Hb,Ch,Hh≠8 // Swordfish 8 AEIbch
Ch,Gi,Hi≠4; Ah,Ch,Hg≠7 // Naked Pair 4,7
Ag=7 // HS
Cb=7 // HS
Ec=7 // HS
Eb=8 // FH
Ch=5 // NS
Be=5 // HS
Ac=5 // HS
Ce=8 // FH
Ba=8 // HS
Ic=8 // HS
Gi=8 // HS
Ah=8 // HS
Ab=2 // FH in column
Bg=2 // HS
Ih=2 // HS
Ig=6 // NS
Hb=6 // HS
Hg=3 // FH in row
Gb=3 // HS
Ca=3 // HS
Bi=3 // HS
Ci=4 // FH
Bb=4 // HS
Ha=4 // FH in row
Gh=4 // HS
Hh=7 // FH in row
Ge=7 // HS
Bc=9 // FH
Ib=9 // FH
He=9 // FH
Gi=9 // FH
　　Solved
[EOF]