Meowdoku Level 866 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 866 Step 1: Mark X at R1 C2, R2 C2, and R6 C2 + 1 more: 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 866 Step 2: Mark X at R1 C3, R2 C3, and R3 C3 + 1 more: a region is locked to this column
The teal region must use column 3. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 866 Step 3: Mark X at R3 C5, R5 C5, and R6 C5 + 1 more: rows or columns are reserved
The magenta, sky blue, and green regions must use columns 5, 6, and 7. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 866 Step 4: Mark X at R4 C4, R5 C4, and R6 C4 + 1 more: a region is locked to this column
The rose region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 866 Step 5: Mark X at R2 C6: cats cannot touch
Every possible cat for the magenta region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 866 Step 6: Mark X at R2 C5: 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 866 Step 7: Mark X at R2 C7 and R4 C6: 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 866 Step 8: Mark X at R1 C1 and R1 C4: a region is locked to this row
The magenta region must use row 1. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 866 Step 9: Mark X at R4 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 866 Step 10: Mark X at R1 C6: assuming a cat there leaves a region empty
Suppose held a cat in the magenta 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 866 Step 11: Mark X at R4 C5: cats cannot touch
Every possible cat for column 6 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 866 Step 12: Place cat at R1 C5: only legal cell
Place a cat here at . Column 5 has no other legal cell.
Meowdoku Level 866 Step 13: Place cat at R3 C4: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 866 Step 14: Place cat at R4 C7: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 866 Step 15: Place cat at R5 C2: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 866 Step 16: Place cat at R7 C3: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 866 Step 17: Place cat at R2 C1: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 866 Step 18: Place cat at R6 C6: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 866 Result
All 7 cats are placed correctly:
- R1 C5
- R2 C1
- R3 C4
- R4 C7
- R5 C2
- R6 C6
- R7 C3


