Meowdoku Level 839 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 839 Step 1: Mark X at R1 C6, R2 C6, and R3 C6 + 8 more: rows or columns are reserved
The green, purple, and orange regions must use columns 6, 7, and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 839 Step 2: 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 839 Step 3: Mark X at R4 C7 and R5 C8: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 839 Step 4: Mark X at R8 C2 and R8 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 839 Step 5: Mark X at R7 C4 and R7 C5: cats cannot touch
Every possible cat for row 8 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 839 Step 6: Mark X at R6 C2: 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 839 Step 7: Mark X at R2 C4: cats cannot touch
Every possible cat for column 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 839 Step 8: Mark X at R4 C5, R5 C5, and R5 C7: 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 839 Step 9: Mark X at R6 C5: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 839 Step 10: Mark X at R8 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 839 Step 11: Mark X at R1 C1, R2 C1, and R3 C1 + 2 more: a region is locked to this column
The magenta region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 839 Step 12: Mark X at R3 C2: rows or columns are reserved
The teal, purple, yellow, orange, brown, and magenta regions must use rows 3, 4, 5, 6, 7, and 8. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 839 Step 13: Mark X at R7 C2: 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 839 Step 14: Mark X at R1 C3, R2 C3, and R3 C3 + 2 more: a region is locked to this column
The brown region must use column 3. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 839 Step 15: 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 839 Step 16: 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 Row 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 839 Step 17: Mark X at R1 C4: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave the purple 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 839 Step 18: Mark X at R2 C2: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave Row 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 839 Step 19: Mark X at R8 C5: a region is locked to this column
The pink region must use column 5. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 839 Step 20: Place cat at R8 C1: only legal cell
Place a cat here at . Row 8 has no other legal cell.
Meowdoku Level 839 Step 21: Place cat at R7 C3: only legal cell
Place a cat here at . Row 7 has no other legal cell.
Meowdoku Level 839 Step 22: Place cat at R6 C7: only legal cell
Place a cat here at . Row 6 has no other legal cell.
Meowdoku Level 839 Step 23: Place cat at R4 C6: only legal cell
Place a cat here at . Column 6 has no other legal cell.
Meowdoku Level 839 Step 24: Place cat at R3 C4: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 839 Step 25: Place cat at R1 C5: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 839 Step 26: Place cat at R2 C8: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 839 Step 27: Place cat at R5 C2: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 839 Result
All 8 cats are placed correctly:
- R1 C5
- R2 C8
- R3 C4
- R4 C6
- R5 C2
- R6 C7
- R7 C3
- R8 C1


