Dog Sudoku Level 158 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 158 Strategy
Hard Level 158 uses a 9x9 board with 10 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 158 Solution
Solution dog cells: R1C7, R2C3, R2C5, R4C5, R5C1, R5C9, R6C4, R7C1, R9C6, R9C9.