Cat Sudoku Level 136 Hint
Find a colored region with only a few safe cells, then compare those cells against the row and column limits.
Cat Sudoku Level 136 Strategy
Hard Level 136 uses a 8x8 board with 8 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 136 Solution
Solution cells: R1C4, R2C2, R3C8, R4C6, R5C1, R6C7, R7C3, R8C5.