Dog Sudoku Level 156 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 156 Strategy
Hard Level 156 uses a 8x8 board with 10 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 156 Solution
Solution dog cells: R1C3, R1C5, R2C7, R4C2, R4C4, R5C7, R6C2, R7C4, R8C2, R8C8.