Cat Sudoku Level 102 Hint
Find a colored region with only a few safe cells, then compare those cells against the row and column limits.
Cat Sudoku Level 102 Strategy
Hard Level 102 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 102 Solution
Solution cells: R1C5, R2C1, R3C7, R4C9, R5C6, R6C2, R7C4, R8C8, R9C3.