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Hard Sudoku – Sheet 9

Hard: very few clues, for regular solvers.

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Puzzle 1

871
2186
3546
782639
6514
5947
523

Puzzle 2

736
98
3152
2816
5
4523
4587
36
759

Puzzle 3

7236
9
1459
5739
5
7984
6897
8
4961

Puzzle 4

62
85349
38
624
86
193
26
51698
45

Puzzle 5

7614
62
2479
537
6
921
4893
16
9186

Puzzle 6

185
37
8739
315
9431
249
9873
51
139
Show the answers

Puzzle 1

834975621
219863475
675142938
351794862
748216359
962538714
427381596
183659247
596427183

Puzzle 2

524873619
716925438
839614752
972438165
683157294
145269387
451382976
398746521
267591843

Puzzle 3

572489361
936271584
184365792
615742839
428953176
793618425
261834957
357196248
849527613

Puzzle 4

961243875
827651349
345879612
653718294
482935761
179426583
794582136
516397428
238164957

Puzzle 5

796321458
835649721
241785369
953217684
127864935
684953217
462578193
318496572
579132846

Puzzle 6

421685397
539274186
867319524
376891245
948527631
215463879
152948763
693752418
784136952

How to play sudoku

Fill the grid so every row, every column and every 3x3 box contains the numbers 1 to 9 with no repeats. Start with the rows and boxes that already have the most numbers.

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