Meowdoku Level 721 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 721 Step 1: Mark X at R1 C6, R1 C7, and R2 C6 + 4 more: rows or columns are reserved
The rose and blue regions must use columns 6 and 7. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 721 Step 2: Mark X at R4 C4, R6 C4, and R7 C4 + 1 more: rows or columns are reserved
The yellow and pink regions must use columns 4 and 5. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 721 Step 3: Mark X at R2 C1, R3 C1, and R4 C1 + 3 more: rows or columns are reserved
The yellow, rose, pink, magenta, blue, and teal 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 721 Step 4: Mark X at R2 C5: 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 721 Step 5: Mark X at R5 C7: 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 721 Step 6: Mark X at R4 C7 and R6 C5: 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 721 Step 7: Mark X at R4 C5 and R5 C5: cats cannot touch
Every possible cat for column 6 conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 721 Step 8: Mark X at R2 C4 and 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 721 Step 9: Mark X at R1 C1, R1 C2, and R1 C3: a region is locked to this row
The yellow region must use row 1. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 721 Step 10: Place cat at R7 C1: only legal cell
Place a cat here at . Column 1 has no other legal cell.
Meowdoku Level 721 Step 11: Mark X at R5 C2: a region is locked to this column
The magenta region must use column 2. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 721 Step 12: Mark X at R3 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 721 Step 13: Mark X at R1 C5: assuming a cat there leaves a region empty
Suppose held a cat in the yellow 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 721 Step 14: Place cat at R1 C4: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 721 Step 15: Place cat at R3 C5: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 721 Step 16: Place cat at R2 C7: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 721 Step 17: Place cat at R4 C2: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 721 Step 18: Place cat at R5 C6: only legal cell
Place a cat here at . The blue region has no other legal cell.
Meowdoku Level 721 Step 19: Place cat at R6 C3: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 721 Result
All 7 cats are placed correctly:
- R1 C4
- R2 C7
- R3 C5
- R4 C2
- R5 C6
- R6 C3
- R7 C1


