Cat Sudoku Level 1 Hint
Start by reading the fixed cats, then remove any cells that share a row, column, region, or touching square with them.
Cat Sudoku Level 1 Strategy
Easy Level 1 uses a 7x7 board with 7 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 1 Solution
Solution cells: R1C4, R2C1, R3C7, R4C5, R5C3, R6C6, R7C2.