Bulldoku Level 579: Walkthrough & Solution
Step-by-step Bulldoku level 579 guide (9×9). One pup per color, row and column, no touching. Difficulty 52.2.
Play Level 579Step-by-step logic
1. Step: place pup (row 9, column 2)
After crosses, the coral region has only one legal cell — row 9, column 2. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 1 2. Step: place pup (row 7, column 1)
After crosses, the green region has only one legal cell — row 7, column 1. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
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: place pup (row 2, column 3)
After crosses, the pink region has only one legal cell — row 2, column 3. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 5 6. Step: place pup (row 8, column 4)
After crosses, the blue region has only one legal cell — row 8, column 4. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 6 7. 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 7 8. Step: place pup (row 3, column 5)
After crosses, the mint region has only one legal cell — row 3, column 5. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 8 9. Step: place pup (row 4, column 8)
After crosses, the yellow region has only one legal cell — row 4, column 8. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 9 10. Step: place pup (row 5, column 6)
After previous pups, row 5 has only one free cell — column 6. Place the orange region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 10 11. Step: place pup (row 1, column 7)
After crosses, the cyan region has only one legal cell — row 1, column 7. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 11 12. Step: place pup (row 6, column 9)
After previous pups, row 6 has only one free cell — column 9. Place the lavender 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 C7, R2 C3, R3 C5, R4 C8, R5 C6, R6 C9, R7 C1, R8 C4, R9 C2
Similar difficulty levels
FAQ
- How do I solve Bulldoku level 579?
- Follow the 12 steps above: find forced placements first, then mark impossible cells with X.
- Where can I play level 579 online?
- Click "Play Level 579" to open the free browser game with this exact board.