Meowdoku Level 647 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 647 Step 1: Mark X at R1 C1, R2 C1, and R3 C1 + 3 more: a region is locked to this column
The orange region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 647 Step 2: Mark X at R4 C4, R4 C5, and R4 C6 + 2 more: a region is locked to this row
The brown region must use row 4. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 647 Step 3: Mark X at R1 C2, R1 C3, and R2 C2 + 7 more: rows or columns are reserved
The brown and blue regions must use columns 2 and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 647 Step 4: Mark X at R5 C5, R5 C6, and R5 C8 + 4 more: rows or columns are reserved
The pink, yellow, blue, and orange regions must use rows 5, 6, 7, and 8. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 647 Step 5: Mark X at R2 C4, R2 C7, and R2 C8 + 1 more: rows or columns are reserved
The purple and teal regions must use rows 2 and 3. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 647 Step 6: Place cat at R1 C8: only legal cell
Place a cat here at . Column 8 has no other legal cell.
Meowdoku Level 647 Step 7: Mark X at R3 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 647 Step 8: Mark X at R3 C5: 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 647 Step 9: Mark X at R5 C2: 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 647 Step 10: Mark X at R7 C1: cats cannot touch
Every possible cat for the blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 647 Step 11: Place cat at R8 C1: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 647 Step 12: Mark X at R6 C4: cats cannot touch
Every possible cat for the blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 647 Step 13: Mark X at R6 C5 and R7 C7: cats cannot touch
Every possible cat for row 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 647 Step 14: Mark X at R3 C4: assuming a cat there leaves a region empty
Suppose held a cat in the purple region. That assumption would leave the pink 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 647 Step 15: Place cat at R2 C5: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 647 Step 16: Place cat at R3 C7: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 647 Step 17: Place cat at R6 C6: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 647 Step 18: Place cat at R7 C3: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 647 Step 19: Place cat at R4 C2: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 647 Step 20: Place cat at R5 C4: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 647 Result
All 8 cats are placed correctly:
- R1 C8
- R2 C5
- R3 C7
- R4 C2
- R5 C4
- R6 C6
- R7 C3
- R8 C1