Dog Sudoku Level 142 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 142 Strategy
Hard Level 142 uses a 9x9 board with 11 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 142 Solution
Solution dog cells: R1C2, R1C5, R2C9, R3C1, R4C3, R5C7, R5C9, R6C2, R6C5, R8C3, R9C8.