Kodiak Sudoku

Printable Expert Sudoku

Set 1i9tjo4. 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

    381
    143
    46
    74
    9762
    21
    186
    5
    3297

  2. Expert #2

    2915
    9438
    1
    728
    178
    56
    8369
    47
    7

  3. Expert #3

    153
    78
    92
    8
    174
    5491
    2941
    6918
    5

  4. Expert #4

    2748
    514
    83
    389
    925
    72
    71
    358
    6

  5. Expert #5

    758
    5
    817
    1638
    16
    479
    39
    643
    247

  6. Expert #6

    863
    47
    7214
    56
    1357
    3741
    562
    83

  7. Expert #7

    8
    5821
    95
    47
    93
    1732
    829
    179
    32

  8. Expert #8

    168
    89
    763
    96137
    75
    82
    491
    4218
    8

Answers are on the last page of the PDF.

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Techniques for expert puzzles

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