Use these positions to check the answer quickly before reading the logic.
H1
Row 1, Column 8
F2
Row 2, Column 6
I3
Row 3, Column 9
E4
Row 4, Column 5
C5
Row 5, Column 3
A6
Row 6, Column 1
D7
Row 7, Column 4
G8
Row 8, Column 7
B9
Row 9, Column 2
Board does not match?
Use the screenshot solver for your exact puzzle.
App updates and level variations can show a different board under the same number. Upload your screenshot to detect its colored regions and starter cats, then request a hint or a complete step-by-step solve.
Each step has a board image with descriptive alt text, so the answer can be reviewed without watching the video.
1
Step 1: Place the cat at B9
The board reaches 1/9 cats after the placement at B9.
Visual step: B9
Use this image to confirm the cat at B9, row 9, column B. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 1/9 cats placed.
B9 is the new cat for this step.
8 cats remain after this placement.
2
Step 2: Place the cat at A6
The board reaches 2/9 cats after the placement at A6.
Visual step: A6
Use this image to confirm the cat at A6, row 6, column A. Keep the earlier cats at B9. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 2/9 cats placed.
A6 is the new cat for this step.
7 cats remain after this placement.
3
Step 3: Place the cat at C5
The board reaches 3/9 cats after the placement at C5.
Visual step: C5
Use this image to confirm the cat at C5, row 5, column C. Keep the earlier cats at B9, A6. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 3/9 cats placed.
C5 is the new cat for this step.
6 cats remain after this placement.
4
Step 4: Place the cat at D7
The board reaches 4/9 cats after the placement at D7.
Visual step: D7
Use this image to confirm the cat at D7, row 7, column D. Keep the earlier cats at B9, A6, C5. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 4/9 cats placed.
D7 is the new cat for this step.
5 cats remain after this placement.
5
Step 5: Place the cat at E4
The board reaches 5/9 cats after the placement at E4.
Visual step: E4
Use this image to confirm the cat at E4, row 4, column E. Keep the earlier cats at B9, A6, C5, D7. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 5/9 cats placed.
E4 is the new cat for this step.
4 cats remain after this placement.
6
Step 6: Place the cat at F2
The board reaches 6/9 cats after the placement at F2.
Visual step: F2
Use this image to confirm the cat at F2, row 2, column F. Keep the earlier cats at B9, A6, C5, D7, E4. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 6/9 cats placed.
F2 is the new cat for this step.
3 cats remain after this placement.
7
Step 7: Place the cat at I3
The board reaches 7/9 cats after the placement at I3.
Visual step: I3
Use this image to confirm the cat at I3, row 3, column I. Keep the earlier cats at B9, A6, C5, D7, E4, F2. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 7/9 cats placed.
I3 is the new cat for this step.
2 cats remain after this placement.
8
Step 8: Place the cat at G8
The board reaches 8/9 cats after the placement at G8.
Visual step: G8
Use this image to confirm the cat at G8, row 8, column G. Keep the earlier cats at B9, A6, C5, D7, E4, F2, I3. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 8/9 cats placed.
G8 is the new cat for this step.
1 cat remains after this placement.
9
Step 9: Place the cat at H1
The board reaches 9/9 cats after the placement at H1.
Visual step: H1
Use this image to confirm the cat at H1, row 1, column H. Keep the earlier cats at B9, A6, C5, D7, E4, F2, I3, G8. This keeps the one-cat-per-row and one-cat-per-column rule intact.
Board state shows 9/9 cats placed.
H1 is the new cat for this step.
All 9 cats are now placed without sharing a row or column.
Final board image
Final screenshot source: Step 9, focused on H1.
Logic recap
Why This Solves Level 177
The final placements (H1, F2, I3, E4, C5, A6, D7, G8, B9) cover 9 rows and 9 columns exactly once. Each cat stays inside the 9x9 board and keeps the row, column, and no-touching rules intact.
Final check
Rows 1-9 each contain one cat.
Columns A-I each contain one cat.
No two final cats touch, including diagonally.
Optional video
Video Walkthrough
Use the images and written steps first. Watch the video only if you want to compare the full solve.