Cat Sudoku Level 191 Hint
Look for a region whose legal cells are squeezed by two or more neighboring rows. High-level puzzles often move through exclusion, not obvious singles.
Cat Sudoku Level 191 Strategy
Expert Level 191 uses a 9x9 board with 9 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 191 Solution
Solution cells: R1C8, R2C5, R3C7, R4C2, R5C4, R6C6, R7C1, R8C3, R9C9.