Meowdoku Level 404 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 404 Step 1: Place cat at R2 C4: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 404 Step 2: Mark X at R4 C5, R5 C5, and R6 C5: a region is locked to this column
The purple region must use column 5. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 404 Step 3: Mark X at R1 C9, R3 C9, and R4 C9 + 3 more: a region is locked to this column
The orange region must use column 9. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 404 Step 4: Place cat at R1 C8: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 404 Step 5: Mark X at R3 C7: cats cannot touch
Every possible cat for the yellow region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 404 Step 6: Mark X at R6 C7: cats cannot touch
Every possible cat for the teal region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 404 Step 7: Mark X at R8 C6: cats cannot touch
Every possible cat for the purple region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 404 Step 8: Mark X at R3 C1: assuming a cat there leaves a region empty
Suppose held a cat in the yellow region. That assumption would leave the green region 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 404 Step 9: Mark X at R5 C6, R6 C6, and R7 C6 + 1 more: a region is locked to this column
The yellow region must use column 6. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 404 Step 10: Mark X at R7 C7 and R9 C7: a region is locked to this column
The teal region must use column 7. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 404 Step 11: Mark X at R9 C1, R9 C5, and R9 C9: a region is locked to this row
The green region must use row 9. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 404 Step 12: Place cat at R8 C9: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 404 Step 13: Place cat at R7 C5: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 404 Step 14: Mark X at R3 C2, R4 C2, and R4 C3 + 1 more: rows or columns are reserved
The magenta and green regions must use columns 2 and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 404 Step 15: Place cat at R3 C6: only legal cell
Place a cat here at . Row 3 has no other legal cell.
Meowdoku Level 404 Step 16: Place cat at R5 C7: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 404 Step 17: Place cat at R6 C3: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 404 Step 18: Place cat at R4 C1: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 404 Step 19: Place cat at R9 C2: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 404 Result
All 9 cats are placed correctly:
- R1 C8
- R2 C4
- R3 C6
- R4 C1
- R5 C7
- R6 C3
- R7 C5
- R8 C9
- R9 C2