Meowdoku Level 869 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 869 Step 1: Mark X at R1 C1, R1 C2, and R1 C3 + 2 more: a region is locked to this row
The brown region must use row 1. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 869 Step 2: Mark X at R2 C2, R2 C3, and R3 C2 + 2 more: rows or columns are reserved
The magenta, orange, and light blue regions must use columns 1, 2, and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 869 Step 3: Mark X at R2 C7: 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 869 Step 4: Mark X at R3 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 869 Step 5: Mark X at R3 C4, R3 C5, and R5 C5: 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 869 Step 6: Mark X at R6 C4: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 869 Step 7: Mark X at R4 C6: cats cannot touch
Every possible cat for column 4 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 869 Step 8: Mark X at R1 C7: assuming a cat there leaves a region empty
Suppose held a cat in the brown region. That assumption would leave the orange 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 869 Step 9: Mark X at R5 C8: 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 869 Step 10: Mark X at R1 C8: assuming a cat there leaves a region empty
Suppose held a cat in the brown region. That assumption would leave Row 4 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 869 Step 11: Place cat at R1 C6: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 869 Step 12: Mark X at R4 C1, R4 C2, and R4 C7 + 1 more: a region is locked to this row
The purple region must use row 4. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 869 Step 13: Mark X at R6 C8, R7 C8, and R8 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 869 Step 14: Mark X at R7 C3, R7 C4, and R7 C5 + 1 more: rows or columns are reserved
The yellow and light blue regions must use rows 7 and 8. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 869 Step 15: Mark X at R5 C4: 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 869 Step 16: Mark X at R6 C1: 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 869 Step 17: Mark X at R5 C2: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 869 Step 18: Mark X at R7 C1 and R8 C1: a region is locked to this column
The magenta region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 869 Step 19: Mark X at R5 C7: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave the light 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 869 Step 20: Mark X at R6 C2: cats cannot touch
Every possible cat for row 5 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 869 Step 21: Mark X at R8 C3: a region is locked to this column
The orange region must use column 3. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 869 Step 22: Mark X at R6 C5: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave the orange 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 869 Step 23: Mark X at R6 C7: assuming a cat there leaves a region empty
Suppose held a cat in the teal region. That assumption would leave the orange 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 869 Step 24: Place cat at R2 C4: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 869 Step 25: Place cat at R3 C8: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 869 Step 26: Place cat at R4 C5: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 869 Step 27: Place cat at R5 C1: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 869 Step 28: Place cat at R6 C3: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 869 Step 29: Place cat at R8 C2: only legal cell
Place a cat here at . The light blue region has no other legal cell.
Meowdoku Level 869 Step 30: Place cat at R7 C7: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 869 Result
All 8 cats are placed correctly:
- R1 C6
- R2 C4
- R3 C8
- R4 C5
- R5 C1
- R6 C3
- R7 C7
- R8 C2