Meowdoku Level 871 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 871 Step 1: Mark X at R1 C6, R1 C7, and R2 C6 + 3 more: rows or columns are reserved
The green and rose regions must use columns 6 and 7. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 871 Step 2: Mark X at R3 C4, R3 C5, and R5 C4 + 3 more: rows or columns are reserved
The magenta and sky blue regions must use columns 4 and 5. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 871 Step 3: Mark X at R2 C2 and R4 C3: 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 871 Step 4: Mark X at R4 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 871 Step 5: Mark X at R4 C5: 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 871 Step 6: Mark X at R1 C5: assuming a cat there leaves a region empty
Suppose held a cat in the magenta region. That assumption would leave the brown 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 871 Step 7: Mark X at R2 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 871 Step 8: Mark X at R2 C4: assuming a cat there leaves a region empty
Suppose held a cat in the magenta region. That assumption would leave the green 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 871 Step 9: Mark X at R2 C5: assuming a cat there leaves a region empty
Suppose held a cat in the magenta region. That assumption would leave Column 6 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 871 Step 10: Place cat at R1 C4: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 871 Step 11: Place cat at R2 C1: only legal cell
Place a cat here at . Row 2 has no other legal cell.
Meowdoku Level 871 Step 12: Place cat at R3 C3: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 871 Step 13: Place cat at R4 C6: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 871 Step 14: Place cat at R6 C5: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 871 Step 15: Place cat at R7 C7: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 871 Step 16: Place cat at R5 C2: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 871 Result
All 7 cats are placed correctly:
- R1 C4
- R2 C1
- R3 C3
- R4 C6
- R5 C2
- R6 C5
- R7 C7