Bulldoku Level 564: Walkthrough & Solution
Step-by-step Bulldoku level 564 guide (6×6). One pup per color, row and column, no touching. Difficulty 51.4.
Play Level 564Step-by-step logic
1. Step: mark X in row 1
The cyan region is confined to row 1. Mark X on cells in that row that belong to other regions.
Board after step 1 2. Step: mark X in row 1
The cyan region is confined to row 1. Mark X on cells in that row that belong to other regions.
Board after step 2 3. Step: mark X in row 1
The cyan region is confined to row 1. Mark X on cells in that row that belong to other regions.
Board after step 3 4. Step: mark X in row 1
The cyan region is confined to row 1. Mark X on cells in that row that belong to other regions.
Board after step 4 5. Step: mark X in row 2
The pink region is confined to row 2. Mark X on cells in that row that belong to other regions.
Board after step 5 6. Step: mark X in row 2
The pink region is confined to row 2. Mark X on cells in that row that belong to other regions.
Board after step 6 7. Step: mark X in row 2
The pink region is confined to row 2. Mark X on cells in that row that belong to other regions.
Board after step 7 8. Step: mark X in row 2
The pink region is confined to row 2. Mark X on cells in that row that belong to other regions.
Board after step 8 9. 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 9 10. 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 10 11. 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 11 12. 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 12 13. 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 13 14. 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 14 15. 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 15 16. 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 16 17. 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 17 18. Step: mark X in column 3
The orange region is confined to column 3. Mark illegal cells with X.
Board after step 18 19. Step: mark X in column 5
The yellow region is confined to column 5. Mark illegal cells with X.
Board after step 19 20. Step: place pup (row 6, column 6)
After previous pups, row 6 has only one free cell — column 6. Place the lavender region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 20 21. Step: place pup (row 4, column 5)
After crosses, the yellow region has only one legal cell — row 4, column 5. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 21 22. Step: place pup (row 5, column 3)
After previous pups, column 3 has only one free cell — row 5. Place the orange region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 22
Final solution
All pups placed correctly: R1 C2, R2 C4, R3 C1, R4 C5, R5 C3, R6 C6
Similar difficulty levels
FAQ
- How do I solve Bulldoku level 564?
- Follow the 22 steps above: find forced placements first, then mark impossible cells with X.
- Where can I play level 564 online?
- Click "Play Level 564" to open the free browser game with this exact board.