Meowdoku Level 858 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 858 Step 1: Mark X at R1 C6, R2 C6, and R3 C6 + 2 more: a region is locked to this column
The rose region must use column 6. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 858 Step 2: Mark X at R4 C1, R4 C2, and R4 C3 + 2 more: a region is locked to this row
The light blue region must use row 4. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 858 Step 3: Mark X at R1 C7, R1 C8, and R1 C9 + 9 more: rows or columns are reserved
The light blue, blue, and magenta regions must use columns 7, 8, and 9. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 858 Step 4: Mark X at R3 C5, R5 C5, and R6 C5 + 3 more: a region is locked to this column
The teal region must use column 5. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 858 Step 5: Mark X at R7 C7, R7 C8, and R7 C9 + 2 more: rows or columns are reserved
The light blue, blue, and magenta regions must use columns 7, 8, and 9. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 858 Step 6: Mark X at R1 C4 and 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 858 Step 7: Mark X at R2 C2: 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 858 Step 8: Mark X at R5 C8: cats cannot touch
Every possible cat for the light blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 858 Step 9: Mark X at R6 C4: 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 858 Step 10: Mark X at R4 C8: 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 858 Step 11: 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 the magenta 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 858 Step 12: Mark X at R1 C2: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave the magenta 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 858 Step 13: Mark X at R5 C3, R6 C3, and R7 C3 + 2 more: a region is locked to this column
The pink region must use column 3. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 858 Step 14: Mark X at R7 C4, R8 C4, and R9 C4: a region is locked to this column
The brown region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 858 Step 15: Mark X at R2 C3: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave the magenta 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 858 Step 16: Mark X at R3 C3: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave the magenta 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 858 Step 17: Place cat at R1 C3: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 858 Step 18: Place cat at R2 C5: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 858 Step 19: Place cat at R5 C4: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 858 Step 20: Place cat at R6 C8: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 858 Step 21: Place cat at R4 C9: only legal cell
Place a cat here at . Column 9 has no other legal cell.
Meowdoku Level 858 Step 22: Mark X at R8 C2: rows or columns are reserved
The rose, sky blue, and magenta regions must use rows 7, 8, and 9. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 858 Step 23: Mark X at R8 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 858 Step 24: Place cat at R9 C7: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 858 Step 25: Place cat at R7 C6: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 858 Step 26: Place cat at R8 C1: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 858 Step 27: Place cat at R3 C2: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 858 Result
All 9 cats are placed correctly:
- R1 C3
- R2 C5
- R3 C2
- R4 C9
- R5 C4
- R6 C8
- R7 C6
- R8 C1
- R9 C7