Dog Sudoku Level 100 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 100 Strategy
Medium Level 100 uses a 7x7 board with 6 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 100 Solution
Solution dog cells: R1C2, R1C4, R2C7, R3C3, R6C5, R7C1.