Bulldoku Level 247: Walkthrough & Solution

Step-by-step Bulldoku level 247 guide (9×9). One pup per color, row and column, no touching. Difficulty 35.7.

Play Level 247

Step-by-step logic

  1. 1. Step: place pup (row 1, column 5)

    After crosses, the cyan region has only one legal cell — row 1, column 5. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 1
  2. 2. Step: place pup (row 2, column 2)

    After crosses, the pink region has only one legal cell — row 2, column 2. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 2
  3. 3. Step: place pup (row 8, column 3)

    After crosses, the blue region has only one legal cell — row 8, column 3. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 3
  4. 4. Step: mark X in row 3

    The mint region is confined to row 3. Mark X on cells in that row that belong to other regions.

    Board after step 4
  5. 5. Step: mark X in row 3

    The mint region is confined to row 3. Mark X on cells in that row that belong to other regions.

    Board after step 5
  6. 6. Step: mark X in row 3

    The mint region is confined to row 3. Mark X on cells in that row that belong to other regions.

    Board after step 6
  7. 7. Step: place pup (row 4, column 9)

    After crosses, the yellow region has only one legal cell — row 4, column 9. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 7
  8. 8. Step: place pup (row 5, column 4)

    After crosses, the orange region has only one legal cell — row 5, column 4. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 8
  9. 9. Step: place pup (row 6, column 1)

    After crosses, the lavender region has only one legal cell — row 6, column 1. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 9
  10. 10. Step: place pup (row 9, column 6)

    After crosses, the coral region has only one legal cell — row 9, column 6. 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 3, column 7)

    After previous pups, row 3 has only one free cell — column 7. Place the mint region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 11
  12. 12. Step: place pup (row 7, column 8)

    After previous pups, row 7 has only one free cell — column 8. Place the green region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).

    Board after step 12

Final solution

All pups placed correctly: R1 C5, R2 C2, R3 C7, R4 C9, R5 C4, R6 C1, R7 C8, R8 C3, R9 C6

Solved board

Similar difficulty levels

FAQ

How do I solve Bulldoku level 247?
Follow the 12 steps above: find forced placements first, then mark impossible cells with X.
Where can I play level 247 online?
Click "Play Level 247" to open the free browser game with this exact board.