Meowdoku Level 685 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 685 Step 1: Place cat at R1 C10: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 685 Step 2: Place cat at R10 C9: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 685 Step 3: Mark X at R2 C1, R3 C1, and R4 C1 + 1 more: a region is locked to this column
The yellow region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 685 Step 4: Mark X at R2 C2, R2 C3, and R3 C2 + 6 more: rows or columns are reserved
The purple and green regions must use columns 2 and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 685 Step 5: Mark X at R2 C4, R3 C4, and R4 C4 + 2 more: a region is locked to this column
The magenta region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 685 Step 6: Mark X at R2 C7 and R2 C8: a region is locked to this row
The teal region must use row 2. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 685 Step 7: Mark X at R5 C8, R6 C8, and R7 C8 + 1 more: a region is locked to this column
The pink region must use column 8. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 685 Step 8: Mark X at R5 C5, R5 C6, and R5 C7 + 5 more: rows or columns are reserved
The orange, magenta, purple, green, and yellow regions must use rows 5, 6, 7, 8, and 9. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 685 Step 9: Mark X at R3 C7 and R4 C7: 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 685 Step 10: Mark X at R6 C6, R8 C5, and R9 C5 + 1 more: rows or columns are reserved
The brown and teal regions must use columns 5 and 6. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 685 Step 11: Mark X at R3 C5 and R3 C6: 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 685 Step 12: Place cat at R3 C8: only legal cell
Place a cat here at . Row 3 has no other legal cell.
Meowdoku Level 685 Step 13: Mark X at R6 C3: 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 685 Step 14: Mark X at R6 C4, R7 C1, and R7 C2 + 1 more: cats cannot touch
Every possible cat for the purple region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 685 Step 15: Mark X at R9 C7: a region is locked to this row
The green region must use row 9. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 685 Step 16: Mark X at R6 C7: assuming a cat there leaves a region empty
Suppose held a cat in the orange region. That assumption would leave the yellow 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 685 Step 17: Place cat at R8 C7: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 685 Step 18: Mark X at R6 C2: 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 685 Step 19: Place cat at R7 C3: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 685 Step 20: Place cat at R5 C4: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 685 Step 21: Place cat at R4 C6: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 685 Step 22: Place cat at R2 C5: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 685 Step 23: Place cat at R9 C2: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 685 Step 24: Place cat at R6 C1: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 685 Result
All 10 cats are placed correctly:
- R1 C10
- R2 C5
- R3 C8
- R4 C6
- R5 C4
- R6 C1
- R7 C3
- R8 C7
- R9 C2
- R10 C9