Bulldoku Level 172: Walkthrough & Solution
Step-by-step Bulldoku level 172 guide (6×6). One pup per color, row and column, no touching. Difficulty 32.3.
Play Level 172Step-by-step logic
1. Step: place pup (row 1, column 1)
After crosses, the cyan region has only one legal cell — row 1, column 1. Place a pup there. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 1 2. Step: mark X in column 2
The lavender region is confined to column 2. Mark illegal cells with X.
Board after step 2 3. Step: mark X in column 2
The lavender region is confined to column 2. Mark illegal cells with X.
Board after step 3 4. 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 4 5. 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 5 6. 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 6 7. Step: place pup (row 6, column 2)
After previous pups, column 2 has only one free cell — row 6. Place the lavender region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 7 8. Step: place pup (row 2, column 4)
After previous pups, column 4 has only one free cell — row 2. Place the pink region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 8 9. Step: place pup (row 3, column 6)
After previous pups, row 3 has only one free cell — column 6. Place the mint region's pup here. Mark crosses along the row, column, and neighboring cells (see the board).
Board after step 9 10. 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 10
Final solution
All pups placed correctly: R1 C1, R2 C4, R3 C6, R4 C3, R5 C5, R6 C2
Similar difficulty levels
FAQ
- How do I solve Bulldoku level 172?
- Follow the 10 steps above: find forced placements first, then mark impossible cells with X.
- Where can I play level 172 online?
- Click "Play Level 172" to open the free browser game with this exact board.