Dog Sudoku Level 54 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 54 Strategy
Medium Level 54 uses a 7x7 board with 8 bones. Use the row and column dog counts first, then resolve bones with limited neighboring cells.
Dog Sudoku Level 54 Solution
Solution dog cells: R1C2, R1C5, R2C7, R3C5, R4C1, R5C7, R6C4, R7C6.