Catdoku level 915 answer and walkthrough

The level 915 board

Place one cat in every row, every column and every colored patch. No two cats may touch, not even diagonally.

Level 915 answer

1. Row 1: column 1, in the yellow patch
2. Row 2: column 7, in the sky patch
3. Row 3: column 2, in the rose patch
4. Row 4: column 4, in the mint patch
5. Row 5: column 6, in the lilac patch
6. Row 6: column 8, in the peach patch
7. Row 7: column 5, in the aqua patch
8. Row 8: column 3, in the coral patch

How to solve level 915, step by step

After every placed cat, cross out the rest of its row, its column, its patch and the four corner squares around it. The steps below assume you do (the in-game auto-paws assist does it for you).

1. Cat 1 of 8: the yellow patch is down to a single free square at row 1, column 1, so its cat settles there.
2. Every free square of the sky patch sits in row 2, so the sky cat must come from there and the rest of row 2 can be crossed out. A cat at row 3, column 6 would leave row 2 with no home for its cat, so cross that square out. A cat at row 4, column 7 would leave column 8 with no home for its cat, so cross that square out. A cat at row 6, column 4 would leave the mint patch with no home for its cat, so cross that square out. A cat at row 7, column 3 would leave the coral patch with no home for its cat, so cross that square out. The aqua and coral patches all squeeze into rows 7 and 8, so those rows are reserved for them; every other square there can be crossed out. A cat at row 3, column 5 would leave column 6 with no home for its cat, so cross that square out. A cat at row 3, column 7 would leave column 6 with no home for its cat, so cross that square out. A cat at row 4, column 8 would leave the peach patch with no home for its cat, so cross that square out. A cat at row 6, column 7 would leave column 8 with no home for its cat, so cross that square out. The rose and coral patches all squeeze into columns 2 and 3, so those columns are reserved for them; every other square there can be crossed out. Every free square of the mint patch sits in column 4, so the mint cat must come from there and the rest of column 4 can be crossed out. Every free square of the aqua patch sits in column 5, so the aqua cat must come from there and the rest of column 5 can be crossed out. A cat at row 3, column 8 would leave row 6 with no home for its cat, so cross that square out. Every free square of the lilac patch sits in column 6, so the lilac cat must come from there and the rest of column 6 can be crossed out. Cat 2 of 8: the sky patch is down to a single free square at row 2, column 7, so its cat settles there.
3. Row 3 only has free squares inside the rose patch, so that patch's cat is spoken for and its squares outside the line can be crossed out. Cat 3 of 8: the only free square left in row 4 is column 4, so the cat goes there.
4. Cat 4 of 8: the rose patch is down to a single free square at row 3, column 2, so its cat settles there.
5. Cat 5 of 8: the coral patch is down to a single free square at row 8, column 3, so its cat settles there.
6. Cat 6 of 8: the aqua patch is down to a single free square at row 7, column 5, so its cat settles there.
7. Cat 7 of 8: the lilac patch is down to a single free square at row 5, column 6, so its cat settles there.
8. Cat 8 of 8: the peach patch is down to a single free square at row 6, column 8, so its cat settles there.