Meowdoku Level 409 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 409 Step 1: Place cat at R6 C3: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 409 Step 2: Mark X at R1 C8, R7 C8, and R8 C8: a region is locked to this column
The sky blue region must use column 8. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 409 Step 3: Mark X at R4 C1, R4 C4, and R4 C5 + 2 more: rows or columns are reserved
The green, teal, rose, and magenta regions must use rows 4, 5, 7, and 8. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 409 Step 4: Mark X at R2 C1, R2 C4, and R2 C5 + 3 more: rows or columns are reserved
The sky blue and brown regions must use rows 2 and 3. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 409 Step 5: Mark X at R3 C7: cats cannot touch
Every possible cat for the sky blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 409 Step 6: Mark X at R5 C7: cats cannot touch
Every possible cat for the green region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 409 Step 7: Place cat at R7 C6: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 409 Step 8: Place cat at R8 C4: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 409 Step 9: Mark X at R1 C1: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave Row 5 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 409 Step 10: Place cat at R5 C1: only legal cell
Place a cat here at . Column 1 has no other legal cell.
Meowdoku Level 409 Step 11: Place cat at R4 C7: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 409 Step 12: Place cat at R2 C8: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 409 Step 13: Place cat at R3 C5: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 409 Step 14: Place cat at R1 C2: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 409 Result
All 8 cats are placed correctly:
- R1 C2
- R2 C8
- R3 C5
- R4 C7
- R5 C1
- R6 C3
- R7 C6
- R8 C4