Meowdoku Level 679 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 679 Step 1: Mark X at R1 C5, R2 C5, and R3 C5 + 3 more: a region is locked to this column
The sky blue region must use column 5. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 679 Step 2: Mark X at R8 C1, R8 C4, and R8 C6 + 2 more: a region is locked to this row
The brown region must use row 8. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 679 Step 3: Mark X at R6 C6, R6 C7, and R7 C6 + 2 more: rows or columns are reserved
The yellow, rose, and magenta regions must use columns 6, 7, and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 679 Step 4: Mark X at R2 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 679 Step 5: Mark X at R4 C4, R4 C6, and R5 C4 + 1 more: 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 679 Step 6: Mark X at R3 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 679 Step 7: Mark X at R7 C2 and R7 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 679 Step 8: Mark X at R6 C3: cats cannot touch
Every possible cat for row 7 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 679 Step 9: Mark X at R5 C1: 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 679 Step 10: Mark X at R2 C3: cats cannot touch
Every possible cat for column 4 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 679 Step 11: Mark X at R1 C6: assuming a cat there leaves a region empty
Suppose held a cat in the yellow region. That assumption would leave the brown 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 679 Step 12: Mark X at R5 C7: rows or columns are reserved
The yellow and magenta regions must use columns 7 and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 679 Step 13: Mark X at R1 C8: assuming a cat there leaves a region empty
Suppose held a cat in the yellow region. That assumption would leave the brown 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 679 Step 14: Mark X at R2 C6: 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 679 Step 15: Place cat at R3 C6: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 679 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 679 Step 17: Place cat at R1 C7: only legal cell
Place a cat here at . Column 7 has no other legal cell.
Meowdoku Level 679 Step 18: Mark X at R2 C2: rows or columns are reserved
The teal, pink, and brown regions must use columns 1, 2, and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 679 Step 19: Mark X at R7 C4: assuming a cat there leaves a region empty
Suppose held a cat in the orange region. That assumption would leave Column 3 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 679 Step 20: Place cat at R2 C4: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 679 Step 21: Place cat at R7 C1: only legal cell
Place a cat here at . Row 7 has no other legal cell.
Meowdoku Level 679 Step 22: Place cat at R8 C3: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 679 Step 23: Place cat at R4 C2: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 679 Step 24: Place cat at R6 C8: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 679 Result
All 8 cats are placed correctly:
- R1 C7
- R2 C4
- R3 C6
- R4 C2
- R5 C5
- R6 C8
- R7 C1
- R8 C3