Meowdoku Level 428 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 428 Step 1: Place cat at R4 C6: only legal cell
Place a cat here at . The light blue region has no other legal cell.
Meowdoku Level 428 Step 2: Mark X at R7 C1, R7 C5, and R7 C8 + 4 more: rows or columns are reserved
The sky blue, magenta, and rose regions must use rows 7, 8, and 9. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 428 Step 3: Mark X at R5 C1, R5 C2, and R5 C9 + 2 more: rows or columns are reserved
The orange and brown regions must use rows 5 and 6. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 428 Step 4: Mark X at R1 C8, R5 C8, and R6 C8 + 1 more: a region is locked to this column
The yellow region must use column 8. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 428 Step 5: Mark X at R2 C1, R2 C3, and R2 C5 + 4 more: rows or columns are reserved
The teal and yellow regions must use rows 2 and 3. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 428 Step 6: Place cat at R1 C9: only legal cell
Place a cat here at . Column 9 has no other legal cell.
Meowdoku Level 428 Step 7: Place cat at R3 C8: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 428 Step 8: Mark X at R7 C2, R7 C3, and R7 C4 + 2 more: rows or columns are reserved
The teal, orange, brown, sky blue, and rose regions must use columns 2, 3, 4, 5, and 7. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 428 Step 9: Place cat at R7 C7: only legal cell
Place a cat here at . Row 7 has no other legal cell.
Meowdoku Level 428 Step 10: Place cat at R8 C1: only legal cell
Place a cat here at . Row 8 has no other legal cell.
Meowdoku Level 428 Step 11: Mark X at R6 C4: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 428 Step 12: Mark X at R6 C3: cats cannot touch
Every possible cat for the brown region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 428 Step 13: Mark X at R2 C4: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave Column 2 with no legal cell left. So cannot contain a cat. Mark it with X.
Try a temporary cat at , then follow what the puzzle rules force. If it leads to a contradiction, the must be X in the real puzzle.
Meowdoku Level 428 Step 14: Place cat at R2 C2: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 428 Step 15: Place cat at R5 C3: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 428 Step 16: Place cat at R6 C5: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 428 Step 17: Place cat at R9 C4: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 428 Result
All 9 cats are placed correctly:
- R1 C9
- R2 C2
- R3 C8
- R4 C6
- R5 C3
- R6 C5
- R7 C7
- R8 C1
- R9 C4