Meowdoku Level 518 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 518 Step 1: Place cat at R9 C9: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 518 Step 2: Place cat at R8 C4: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 518 Step 3: Place cat at R7 C2: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 518 Step 4: Mark X at R3 C8, R4 C6, and R4 C7 + 2 more: rows or columns are reserved
The green, rose, teal, magenta, and pink regions must use rows 1, 2, 3, 4, and 5. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 518 Step 5: Mark X at R1 C5, R1 C6, and R2 C3: 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 518 Step 6: Mark X at R2 C8: 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 518 Step 7: Mark X at R2 C1: assuming a cat there leaves a region empty
Suppose held a cat in the green 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 518 Step 8: Mark X at R3 C5, R3 C6, and R4 C5: cats cannot touch
Every possible cat for row 2 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 518 Step 9: Mark X at R3 C1, R5 C1, and R5 C3: rows or columns are reserved
The green, rose, teal, and pink regions must use rows 1, 2, 3, and 5. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 518 Step 10: Mark X at R1 C7: 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 518 Step 11: Mark X at R6 C8: 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 518 Step 12: Mark X at R5 C6: 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 518 Step 13: Mark X at R6 C5: rows or columns are reserved
The green, rose, and magenta regions must use columns 1, 3, and 5. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 518 Step 14: Mark X at R3 C3: assuming a cat there leaves a region empty
Suppose held a cat in the green region. That assumption would leave the teal 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 518 Step 15: Place cat at R3 C7: only legal cell
Place a cat here at . Row 3 has no other legal cell.
Meowdoku Level 518 Step 16: Place cat at R6 C6: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 518 Step 17: Place cat at R1 C1: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 518 Step 18: Place cat at R2 C5: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 518 Step 19: Place cat at R4 C3: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 518 Step 20: Place cat at R5 C8: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 518 Result
All 9 cats are placed correctly:
- R1 C1
- R2 C5
- R3 C7
- R4 C3
- R5 C8
- R6 C6
- R7 C2
- R8 C4
- R9 C9