Dog Sudoku Level 69 Hint
Find a bone with only two or three available neighboring cells, then test those cells against the row count, column count, and no-touch rule.
Dog Sudoku Level 69 Strategy
Medium Level 69 uses a 7x7 board with 7 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 69 Solution
Solution dog cells: R1C2, R1C4, R1C6, R3C3, R3C6, R6C4, R7C7.