Meowdoku Level 621 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 621 Step 1: Mark X at R6 C1 and R6 C4: rows or columns are reserved
The brown, pink, blue, teal, magenta, and purple regions must use rows 1, 2, 3, 4, 5, and 6. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 621 Step 2: Mark X at R1 C5: 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 621 Step 3: Mark X at R2 C4, R3 C2, and R4 C3: cats cannot touch
Every possible cat for the blue region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 621 Step 4: Mark X at R5 C6: cats cannot touch
Every possible cat for row 6 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 621 Step 5: Mark X at R6 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 621 Step 6: Mark X at R2 C2: assuming a cat there leaves a region empty
Suppose held a cat in the brown 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 621 Step 7: Mark X at R4 C2: assuming a cat there leaves a region empty
Suppose held a cat in the brown 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 621 Step 8: Mark X at R1 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 621 Step 9: Mark X at R4 C4: assuming a cat there leaves a region empty
Suppose held a cat in the brown 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 621 Step 10: Place cat at R1 C2: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 621 Step 11: Mark X at R5 C5, R6 C5, and R7 C5: a region is locked to this column
The pink region must use column 5. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 621 Step 12: Mark X at R3 C1, R3 C5, and R3 C6 + 1 more: a region is locked to this row
The blue region must use row 3. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 621 Step 13: Mark X at R7 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 621 Step 14: Mark X at R3 C4: 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 621 Step 15: Place cat at R3 C3: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 621 Step 16: Place cat at R6 C7: only legal cell
Place a cat here at . Row 6 has no other legal cell.
Meowdoku Level 621 Step 17: Place cat at R7 C4: only legal cell
Place a cat here at . The orange region has no other legal cell.
Meowdoku Level 621 Step 18: Place cat at R4 C6: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 621 Step 19: Place cat at R2 C5: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 621 Step 20: Place cat at R5 C1: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 621 Result
All 7 cats are placed correctly:
- R1 C2
- R2 C5
- R3 C3
- R4 C6
- R5 C1
- R6 C7
- R7 C4