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5×5 · 11 steps · difficulty 32.2

Bulldoku Level 167: Walkthrough & Solution

Step-by-step Bulldoku level 167 guide (5×5). One pup per color, row and column, no touching. Difficulty 32.2.

Play Level 167

Step-by-step logic

  1. 1. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

    Board after step 1

  2. 2. Step: mark X (line reservation)

    Several regions share the same rows or columns — other cells on those lines are impossible. Mark them with X.

    Board after step 2

  3. 3. Step: mark X (line reservation)

    Several regions share the same rows or columns — other cells on those lines are impossible. Mark them with X.

    Board after step 3

  4. 4. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

    Board after step 4

  5. 5. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

    Board after step 5

  6. 6. Step: logical elimination

    Placing a pup on the trial cell would leave a region with no legal move. Mark that cell with X.

    Board after step 6

  7. 7. Step: place pup (row 1, column 2)

    After previous pups, row 1 has only one free cell — column 2. Place the cyan region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 7

  8. 8. Step: place pup (row 2, column 4)

    After previous pups, row 2 has only one free cell — column 4. Place the pink region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 8

  9. 9. Step: place pup (row 3, column 1)

    After previous pups, row 3 has only one free cell — column 1. Place the mint region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 9

  10. 10. Step: place pup (row 4, column 3)

    After crosses, the yellow region has only one legal cell — row 4, column 3. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 10

  11. 11. Step: place pup (row 5, column 5)

    After previous pups, row 5 has only one free cell — column 5. Place the orange region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 11

Final solution

All pups placed correctly: R1 C2, R2 C4, R3 C1, R4 C3, R5 C5

Solved board

Similar difficulty levels

FAQ

How do I solve Bulldoku level 167?
Follow the 11 steps above: find forced placements first, then mark impossible cells with X.
Where can I play level 167 online?
Click "Play Level 167" to open the free browser game with this exact board.

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