Cat Sudoku Level 175 Hint
Find a colored region with only a few safe cells, then compare those cells against the row and column limits.
Cat Sudoku Level 175 Strategy
Hard Level 175 uses a 8x8 board with 8 colored regions. It starts with 1 fixed cats to anchor the solve. Work from the tightest rows and regions before placing a cat.
Cat Sudoku Level 175 Solution
Solution cells: R1C6, R2C3, R3C5, R4C7, R5C2, R6C4, R7C8, R8C1.