Meowdoku Level 823 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 823 Step 1: Mark X at R3 C4, R4 C5, and R5 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 823 Step 2: Mark X at R6 C1, R6 C4, and R6 C5 + 2 more: a region is locked to this row
The brown region must use row 6. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 823 Step 3: Place cat at R7 C7: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 823 Step 4: Mark X at R1 C3, R2 C3, and R4 C3: rows or columns are reserved
The purple, pink, and brown regions must use columns 1, 2, and 3. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 823 Step 5: Mark X at R1 C4 and R2 C4: a region is locked to this column
The teal region must use column 4. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 823 Step 6: Mark X at R2 C6: 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 823 Step 7: Mark X at R5 C5: 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 823 Step 8: Mark X at R5 C2: 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 823 Step 9: Mark X at R1 C1: a region is locked to this column
The pink region must use column 1. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 823 Step 10: Mark X at R1 C6: 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 823 Step 11: Mark X at R3 C5: 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 823 Step 12: Mark X at R4 C6: 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 823 Step 13: Place cat at R1 C5: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 823 Step 14: Mark X at R3 C1: 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 823 Step 15: Mark X at R3 C2: 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 823 Step 16: Mark X at R3 C3: assuming a cat there leaves a region empty
Suppose held a cat in the purple 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 823 Step 17: Place cat at R3 C6: only legal cell
Place a cat here at . Row 3 has no other legal cell.
Meowdoku Level 823 Step 18: Place cat at R6 C3: only legal cell
Place a cat here at . Column 3 has no other legal cell.
Meowdoku Level 823 Step 19: Place cat at R4 C4: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 823 Step 20: Place cat at R2 C2: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 823 Step 21: Place cat at R5 C1: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 823 Result
All 7 cats are placed correctly:
- R1 C5
- R2 C2
- R3 C6
- R4 C4
- R5 C1
- R6 C3
- R7 C7