Meowdoku Level 421 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 421 Step 1: Place cat at R1 C7: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 421 Step 2: Mark X at R4 C1, R5 C1, and R6 C1 + 1 more: 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 421 Step 3: Mark X at R3 C6, R4 C6, and R5 C6: a region is locked to this column
The rose region must use column 6. No other region can use that column. Mark the highlighted cells with X.
Meowdoku Level 421 Step 4: Mark X at R6 C2, R6 C3, and R6 C5 + 1 more: rows or columns are reserved
The rose and yellow regions must use rows 6 and 7. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 421 Step 5: Mark X at R5 C2: a region is locked to this row
The magenta region must use row 5. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 421 Step 6: Mark X at R2 C2 and R3 C2: 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 421 Step 7: Mark X at R3 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 421 Step 8: Mark X at 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 421 Step 9: Mark X at R4 C4, R6 C4, and R7 C4: rows or columns are reserved
The purple and magenta regions must use columns 4 and 5. No other region can use those columns. Mark the highlighted cells with X.
Meowdoku Level 421 Step 10: Place cat at R6 C6: only legal cell
Place a cat here at . Row 6 has no other legal cell.
Meowdoku Level 421 Step 11: Place cat at R5 C4: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 421 Step 12: Place cat at R4 C2: only legal cell
Place a cat here at . Row 4 has no other legal cell.
Meowdoku Level 421 Step 13: Place cat at R2 C1: only legal cell
Place a cat here at . The pink region has no other legal cell.
Meowdoku Level 421 Step 14: Place cat at R3 C5: only legal cell
Place a cat here at . The purple region has no other legal cell.
Meowdoku Level 421 Step 15: Place cat at R7 C3: only legal cell
Place a cat here at . The yellow region has no other legal cell.
Meowdoku Level 421 Result
All 7 cats are placed correctly:
- R1 C7
- R2 C1
- R3 C5
- R4 C2
- R5 C4
- R6 C6
- R7 C3