Meowdoku Level 855 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 855 Step 1: Place cat at R10 C1: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 855 Step 2: Place cat at R1 C10: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 855 Step 3: Mark X at R9 C3, R9 C4, and R9 C5 + 2 more: a region is locked to this row
The light blue region must use row 9. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 855 Step 4: Mark X at R8 C2, R8 C3, and R8 C4 + 1 more: a region is locked to this row
The rose region must use row 8. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 855 Step 5: Mark X at R7 C2, R7 C3, and R7 C4: a region is locked to this row
The sky blue region must use row 7. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 855 Step 6: Mark X at R2 C5, R3 C5, and R5 C5 + 6 more: rows or columns are reserved
The sky blue, brown, rose, orange, and light blue regions must use columns 5, 6, 7, 8, and 9. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 855 Step 7: Mark X at R5 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 855 Step 8: Mark X at R4 C3 and R6 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 855 Step 9: Mark X at R2 C2 and R3 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 855 Step 10: Mark X at R3 C4: 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 855 Step 11: Mark X at R8 C8 and R8 C9: 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 855 Step 12: Mark X at R7 C6 and R7 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 855 Step 13: Mark X at R4 C2: assuming a cat there leaves a region empty
Suppose held a cat in the pink region. That assumption would leave the light blue 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 855 Step 14: Mark X at R6 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 855 Step 15: Mark X at R2 C4: a region is locked to this column
The teal region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 855 Step 16: Mark X at R4 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 855 Step 17: Place cat at R7 C5: only legal cell
Place a cat here at . Column 5 has no other legal cell.
Meowdoku Level 855 Step 18: Place cat at R8 C7: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 855 Step 19: Place cat at R9 C9: only legal cell
Place a cat here at . The light blue region has no other legal cell.
Meowdoku Level 855 Step 20: Place cat at R3 C8: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 855 Step 21: Place cat at R2 C3: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 855 Step 22: Place cat at R4 C6: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 855 Step 23: Place cat at R5 C4: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 855 Step 24: Place cat at R6 C2: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 855 Result
All 10 cats are placed correctly:
- R1 C10
- R2 C3
- R3 C8
- R4 C6
- R5 C4
- R6 C2
- R7 C5
- R8 C7
- R9 C9
- R10 C1