Cat Sudoku Level 119 Hint
Find a colored region with only a few safe cells, then compare those cells against the row and column limits.
Cat Sudoku Level 119 Strategy
Hard Level 119 uses a 9x9 board with 9 colored regions. It starts without fixed cats, so the region shapes and no-touch rule do the work. Work from the tightest rows and regions before placing a cat.
Cat Sudoku Level 119 Solution
Solution cells: R1C3, R2C7, R3C1, R4C5, R5C8, R6C4, R7C6, R8C9, R9C2.