Dog Sudoku Level 175 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 175 Strategy
Hard Level 175 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 175 Solution
Solution dog cells: R1C6, R2C2, R2C9, R3C4, R4C6, R6C9, R7C1, R7C3, R9C2, R9C5.