Dog Sudoku Level 122 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 122 Strategy
Hard Level 122 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 122 Solution
Solution dog cells: R1C3, R2C5, R4C8, R5C4, R5C6, R6C1, R6C9, R7C5, R9C6, R9C9.