Meowdoku Level 663 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 663 Step 1: Mark X at R6 C1, R6 C2, and R6 C3 + 2 more: a region is locked to this row
The rose region must use row 6. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 663 Step 2: Mark X at R7 C3, R7 C4, and R7 C5 + 2 more: a region is locked to this row
The blue region must use row 7. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 663 Step 3: Mark X at R5 C1, R5 C2, and R5 C3: a region is locked to this row
The sky blue region must use row 5. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 663 Step 4: Mark X at R4 C1, R4 C2, and R4 C7: 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 663 Step 5: Mark X at R1 C2 and R7 C2: a region is locked to this column
The pink region must use column 2. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 663 Step 6: Place cat at R7 C1: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 663 Step 7: Mark X at R2 C4: 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 663 Step 8: Mark X at R2 C3 and R3 C3: cats cannot touch
Every possible cat for the pink region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 663 Step 9: Mark X at R1 C6: 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 663 Step 10: Mark X at R5 C6 and R5 C7: cats cannot touch
Every possible cat for the rose region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 663 Step 11: Mark X at R4 C4 and R4 C5: 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 663 Step 12: Mark X at R2 C6: cats cannot touch
Every possible cat for row 1 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 663 Step 13: Mark X at R1 C3: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave the rose 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 663 Step 14: Place cat at R4 C3: only legal cell
Place a cat here at . Column 3 has no other legal cell.
Meowdoku Level 663 Step 15: Place cat at R2 C2: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 663 Step 16: Place cat at R5 C5: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 663 Step 17: Place cat at R1 C4: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 663 Step 18: Place cat at R6 C7: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 663 Step 19: Place cat at R3 C6: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 663 Result
All 7 cats are placed correctly:
- R1 C4
- R2 C2
- R3 C6
- R4 C3
- R5 C5
- R6 C7
- R7 C1