Kodiak Sudoku

Printable Expert Sudoku

Set 1olwny8. 8 puzzles with an answer key, ready to print.

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Expert puzzles are our hardest tier, with sparse grids usually in the mid-20s for givens. Expect to fill in every candidate and hunt for x-wings and swordfish. A printed copy and a sharp pencil is the classic way to tackle them.

Each free PDF has 8 puzzles, four to a page on US Letter paper, plus an answer key with every solution. Every puzzle has exactly one solution. A new set appears here every day, or you can grab a different set any time.

Puzzles in this set

  1. Expert #1

    79168
    45
    6
    32
    879
    517
    319
    42
    738

  2. Expert #2

    7
    45
    856
    39
    1867
    19
    9326
    794
    68

  3. Expert #3

    368
    4
    4759
    58612
    3147
    91
    2583
    9

  4. Expert #4

    48
    928
    6759
    48
    32
    257
    95
    79
    7214

  5. Expert #5

    327
    27538
    6
    827
    41
    639
    3215
    56
    74

  6. Expert #6

    9
    15
    8671
    41
    572
    2593
    692
    167
    284

  7. Expert #7

    138
    429
    382
    762
    47
    86
    5174
    459
    27

  8. Expert #8

    15
    4613
    96
    275
    63
    59
    714
    8435
    9

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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