Meowdoku Level 143 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 143 Step 1: Place cat at R7 C1: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 143 Step 2: Mark X at R2 C2, R3 C2, and R4 C2: a region is locked to this column
The teal region must use column 2. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 143 Step 3: Mark X at R1 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 143 Step 4: Mark X at R2 C4: rows or columns are reserved
The green, rose, yellow, and sky blue regions must use columns 4, 5, 6, and 7. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 143 Step 5: Mark X at R2 C5: cats cannot touch
Every possible cat for the green region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 143 Step 6: Mark X at R6 C6: cats cannot touch
Every possible cat for the yellow region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 143 Step 7: Mark X at R5 C5: 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 143 Step 8: Mark X at R4 C7: cats cannot touch
Every possible cat for the yellow region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 143 Step 9: Mark X at R3 C4: cats cannot touch
Every possible cat for row 4 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 143 Step 10: Mark X at R5 C2: 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 143 Step 11: Place cat at R1 C2: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 143 Step 12: Mark X at R4 C6 and R5 C6: a region is locked to this column
The green region must use column 6. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 143 Step 13: Mark X at R2 C7 and R3 C7: a region is locked to this column
The yellow region must use column 7. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 143 Step 14: Place cat at R2 C6: only legal cell
Place a cat here at . Row 2 has no other legal cell.
Meowdoku Level 143 Step 15: Place cat at R4 C5: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 143 Step 16: Place cat at R6 C4: only legal cell
Place a cat here at . The sky blue region has no other legal cell.
Meowdoku Level 143 Step 17: Place cat at R3 C3: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 143 Step 18: Place cat at R5 C7: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 143 Result
All 7 cats are placed correctly:
- R1 C2
- R2 C6
- R3 C3
- R4 C5
- R5 C7
- R6 C4
- R7 C1