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Hard Sudoku – Sheet 3

Hard: very few clues, for regular solvers.

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Puzzle 1

7235
518
246
983
5
763
982
826
5317

Puzzle 2

371
632
7268
394
7635
516
3612
523
291

Puzzle 3

69
327
9523
9162
4218
1369
8724
638
89

Puzzle 4

1748
4862
3
59
19832
96
4
4921
6298

Puzzle 5

28
394
487
214
9731
793
135
751
69

Puzzle 6

1986
417
39
2317
4
4569
42
186
6935
Show the answers

Puzzle 1

749826315
365197824
281435976
697283541
132954768
854761239
976348152
418572693
523619487

Puzzle 2

352897416
698314257
471256389
213569874
769428135
584173692
937641528
145782963
826935741

Puzzle 3

426389517
385127649
719546823
597418362
642793185
138265794
871952436
954631278
263874951

Puzzle 4

961752348
437198625
258634917
384521796
176983452
592476183
713845269
849267531
625319874

Puzzle 5

179524683
386917452
452638179
823156794
695743218
741289536
914372865
237865941
568491327

Puzzle 6

175934862
924618753
836752491
682391547
593847216
417526938
748165329
351289674
269473185

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.