Meowdoku Level 668 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 668 Step 1: Place cat at R3 C9: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 668 Step 2: Place cat at R5 C5: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 668 Step 3: Mark X at R7 C1, R7 C2, and R7 C6 + 2 more: a region is locked to this row
The rose region must use row 7. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 668 Step 4: Mark X at R2 C1, R4 C1, and R6 C1 + 2 more: rows or columns are reserved
The yellow, magenta, teal, and brown regions must use rows 1, 2, 4, and 6. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 668 Step 5: Mark X at R8 C1 and R8 C8: a region is locked to this row
The light blue region must use row 8. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 668 Step 6: Mark X at R4 C3: 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 668 Step 7: Mark X at R1 C8: 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 668 Step 8: Mark X at R6 C3, R8 C3, and R8 C4: 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 668 Step 9: Place cat at R4 C7: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 668 Step 10: Place cat at R6 C8: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 668 Step 11: Mark X at R1 C6: assuming a cat there leaves a region empty
Suppose held a cat in the yellow region. That assumption would leave the 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 668 Step 12: Mark X at R2 C3 and R2 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 668 Step 13: Mark X at R2 C6: assuming a cat there leaves a region empty
Suppose held a cat in the yellow region. That assumption would leave the 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 668 Step 14: Place cat at R1 C4: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 668 Step 15: Place cat at R2 C2: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 668 Step 16: Place cat at R7 C3: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 668 Step 17: Place cat at R8 C6: only legal cell
Place a cat here at . The light blue region has no other legal cell.
Meowdoku Level 668 Step 18: Place cat at R9 C1: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 668 Result
All 9 cats are placed correctly:
- R1 C4
- R2 C2
- R3 C9
- R4 C7
- R5 C5
- R6 C8
- R7 C3
- R8 C6
- R9 C1