3
8
5
1
9
7
4
2
6
1
2
4
7
2
7
5
2
9
1
3
6
4
8
3
1
8
7
3
5
6
4
9
1
2
5
7
6
这个数独谜题有 56 个步骤,它使用 Locked Candidates Type 1 (Pointing), Skyscraper, undefined, Uniqueness Test 4, Sue de Coq, Empty Rectangle, Naked Single, Hidden Single, Discontinuous Nice Loop, Full House, AIC, Naked Pair 技术解决。
尝试解决解决步骤:
- Locked Candidates Type 1 (Pointing): 2 in b6 => r8c8<>2
- Skyscraper: 3 in r2c5,r7c6 (connected by r27c8) => r3c6,r89c5<>3
- Skyscraper: 4 in r8c8,r9c4 (connected by r5c48) => r8c5,r9c79<>4
- W-Wing: 9/6 in r1c5,r4c6 connected by 6 in r8c56 => r3c6,r4c5<>9
- XY-Wing: 6/8/9 in r1c5,r27c4 => r3c4,r9c5<>9
- Uniqueness Test 4: 2/8 in r8c19,r9c19 => r89c9<>8
- Sue de Coq: r9c456 - {34789} (r9c2 - {37}, r7c4 - {89}) => r78c6,r8c5<>8, r7c6<>9, r9c7<>3
- Empty Rectangle: 8 in b3 (r7c49) => r3c4<>8
- 排 3 / 柱子 4 → 7 (Naked Single)
- 排 6 / 柱子 6 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b5 => r5c78<>5
- Discontinuous Nice Loop: 1/4 r8c9 =2= r8c1 =8= r8c7 =3= r3c7 -3- r2c8 -5- r6c8 =5= r6c7 -5- r9c7 =5= r9c9 =2= r8c9 => r8c9<>1, r8c9<>4
- 排 8 / 柱子 9 → 2 (Naked Single)
- 排 8 / 柱子 1 → 8 (Naked Single)
- 排 9 / 柱子 1 → 2 (Full House)
- AIC: 6 6- r2c4 -8- r7c4 =8= r7c9 -8- r9c7 =8= r3c7 =3= r8c7 -3- r8c2 -7- r8c5 -6 => r12c5<>6
- 排 1 / 柱子 5 → 9 (Naked Single)
- 排 2 / 柱子 4 → 6 (Hidden Single)
- Naked Pair: 4,6 in r15c7 => r48c7<>4, r4c7<>6
- 排 8 / 柱子 8 → 4 (Hidden Single)
- 排 5 / 柱子 8 → 2 (Naked Single)
- 排 6 / 柱子 4 → 2 (Hidden Single)
- 排 4 / 柱子 6 → 9 (Hidden Single)
- 排 4 / 柱子 7 → 1 (Naked Single)
- 排 8 / 柱子 7 → 3 (Naked Single)
- 排 8 / 柱子 2 → 7 (Naked Single)
- 排 9 / 柱子 2 → 3 (Full House)
- 排 8 / 柱子 5 → 6 (Naked Single)
- 排 8 / 柱子 6 → 1 (Full House)
- 排 9 / 柱子 6 → 8 (Naked Single)
- 排 4 / 柱子 5 → 4 (Naked Single)
- 排 4 / 柱子 9 → 6 (Full House)
- 排 7 / 柱子 6 → 3 (Naked Single)
- 排 3 / 柱子 6 → 5 (Naked Single)
- 排 5 / 柱子 6 → 6 (Full House)
- 排 7 / 柱子 4 → 9 (Naked Single)
- 排 5 / 柱子 4 → 8 (Naked Single)
- 排 9 / 柱子 4 → 4 (Full House)
- 排 9 / 柱子 5 → 7 (Full House)
- 排 5 / 柱子 5 → 5 (Full House)
- 排 5 / 柱子 7 → 4 (Full House)
- 排 1 / 柱子 9 → 4 (Naked Single)
- 排 1 / 柱子 7 → 6 (Full House)
- 排 7 / 柱子 8 → 1 (Naked Single)
- 排 7 / 柱子 9 → 8 (Full House)
- 排 2 / 柱子 9 → 5 (Naked Single)
- 排 2 / 柱子 8 → 3 (Naked Single)
- 排 2 / 柱子 5 → 8 (Full House)
- 排 3 / 柱子 5 → 3 (Full House)
- 排 9 / 柱子 9 → 9 (Naked Single)
- 排 3 / 柱子 9 → 1 (Full House)
- 排 9 / 柱子 7 → 5 (Full House)
- 排 3 / 柱子 8 → 9 (Naked Single)
- 排 3 / 柱子 7 → 8 (Full House)
- 排 6 / 柱子 7 → 9 (Full House)
- 排 6 / 柱子 8 → 5 (Full House)
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