Cat Sudoku Level 71 Hint
Find a colored region with only a few safe cells, then compare those cells against the row and column limits.
Cat Sudoku Level 71 Strategy
Medium Level 71 uses a 8x8 board with 8 colored regions. It starts with 2 fixed cats to anchor the solve. Work from the tightest rows and regions before placing a cat.
Cat Sudoku Level 71 Solution
Solution cells: R1C3, R2C6, R3C4, R4C2, R5C8, R6C1, R7C5, R8C7.