Meowdoku Level 687 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 687 Step 1: Mark X at R1 C1, R1 C2, and R1 C3 + 1 more: a region is locked to this row
The teal region must use row 1. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 687 Step 2: Mark X at R5 C5, R5 C6, and R5 C7 + 9 more: rows or columns are reserved
The teal, pink, brown, and blue regions must use columns 5, 6, 7, and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 687 Step 3: Mark X at R8 C7 and R8 C8: rows or columns are reserved
The teal, pink, brown, and blue regions must use columns 5, 6, 7, and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 687 Step 4: Mark X at R1 C5 and R3 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 687 Step 5: Mark X at R2 C6: rows or columns are reserved
The teal, pink, and blue regions must use columns 6, 7, and 8. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 687 Step 6: Mark X at R2 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 687 Step 7: Mark X at R4 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 687 Step 8: Mark X at R3 C4: 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 687 Step 9: Mark X at R7 C2: cats cannot touch
Every possible cat for the sky blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 687 Step 10: Mark X at R5 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 687 Step 11: Mark X at R8 C3: cats cannot touch
Every possible cat for row 7 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 687 Step 12: Mark X at R1 C7: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave the sky 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 687 Step 13: Mark X at R3 C8 and R4 C6: cats cannot touch
Every possible cat for column 7 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 687 Step 14: Place cat at R1 C6: only legal cell
Place a cat here at . Column 6 has no other legal cell.
Meowdoku Level 687 Step 15: Mark X at R4 C4: 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 687 Step 16: Mark X at R2 C2: assuming a cat there leaves a region empty
Suppose held a cat in the green region. That assumption would leave the sky 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 687 Step 17: Mark X at R2 C3: assuming a cat there leaves a region empty
Suppose held a cat in the green 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 687 Step 18: Mark X at R6 C4: a region is locked to this column
The green region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 687 Step 19: Mark X at R5 C4: assuming a cat there leaves a region empty
Suppose held a cat in the green region. That assumption would leave the sky 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 687 Step 20: Mark X at R7 C4: assuming a cat there leaves a region empty
Suppose held a cat in the green region. That assumption would leave Column 7 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 687 Step 21: Mark X at R6 C2 and R8 C2: cats cannot touch
Every possible cat for row 7 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 687 Step 22: Mark X at R3 C3 and R4 C3: a region is locked to this column
The rose region must use column 3. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 687 Step 23: Mark X at R2 C1, R3 C1, and R4 C1 + 2 more: a region is locked to this column
The sky blue region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 687 Step 24: Mark X at R8 C4: assuming a cat there leaves a region empty
Suppose held a cat in the green region. That assumption would leave the rose 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 687 Step 25: Place cat at R2 C4: only legal cell
Place a cat here at . The green region has no other legal cell.
Meowdoku Level 687 Step 26: Place cat at R3 C7: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 687 Step 27: Place cat at R4 C5: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 687 Step 28: Place cat at R5 C2: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 687 Step 29: Place cat at R6 C8: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 687 Step 30: Place cat at R7 C3: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 687 Step 31: Place cat at R8 C1: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 687 Result
All 8 cats are placed correctly:
- R1 C6
- R2 C4
- R3 C7
- R4 C5
- R5 C2
- R6 C8
- R7 C3
- R8 C1