Meowdoku Level 681 Step-by-Step Logic Walkthrough & Explained
Follow the replay below. Each board shows the result after applying that step.
Meowdoku Level 681 Step 1: Mark X at R6 C1, R6 C2, and R6 C4 + 3 more: rows or columns are reserved
The brown and pink regions must use rows 6 and 7. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 681 Step 2: Mark X at R1 C4 and R2 C2: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 681 Step 3: Mark X at R1 C1, R4 C1, and R5 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 681 Step 4: Mark X at R4 C4, R4 C5, and R4 C6 + 1 more: a region is locked to this row
The rose region must use row 4. No other region can use that row. Mark the highlighted cells with X.
Meowdoku Level 681 Step 5: Mark X at R3 C2: 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 681 Step 6: Mark X at R3 C3, R5 C2, and R5 C3: 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 681 Step 7: Mark X at R5 C7 and R7 C6: 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 681 Step 8: Mark X at R3 C4 and R3 C6: rows or columns are reserved
The orange, light blue, and magenta regions must use rows 1, 2, and 3. No other region can use those rows. Mark the highlighted cells with X.
Meowdoku Level 681 Step 9: Mark X at R1 C3: assuming a cat there leaves a region empty
Suppose held a cat in the orange region. That assumption would leave the rose 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 681 Step 10: Mark X at R2 C1: cats cannot touch
Every possible cat for the orange region conflicts with these cells. Cats cannot share a row, column, region, or diagonal touch. Mark the highlighted cells with X.
Meowdoku Level 681 Step 11: Place cat at R3 C1: only legal cell
Place a cat here at . The magenta region has no other legal cell.
Meowdoku Level 681 Step 12: Place cat at R4 C3: only legal cell
Place a cat here at . The rose region has no other legal cell.
Meowdoku Level 681 Step 13: Place cat at R1 C2: only legal cell
Place a cat here at . Column 2 has no other legal cell.
Meowdoku Level 681 Step 14: Place cat at R7 C4: only legal cell
Place a cat here at . Column 4 has no other legal cell.
Meowdoku Level 681 Step 15: Mark X at R6 C6: 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 681 Step 16: Place cat at R6 C7: only legal cell
Place a cat here at . The brown region has no other legal cell.
Meowdoku Level 681 Step 17: Place cat at R5 C5: only legal cell
Place a cat here at . The teal region has no other legal cell.
Meowdoku Level 681 Step 18: Place cat at R2 C6: only legal cell
Place a cat here at . The light blue region has no other legal cell.
Meowdoku Level 681 Result
All 7 cats are placed correctly:
- R1 C2
- R2 C6
- R3 C1
- R4 C3
- R5 C5
- R6 C7
- R7 C4