Solution to Sudoku no 695

Sudoku no 695 (Easy)

Our younger son created this puzzle using a Javascript program which he wrote himself.

Sudoku grader and solver

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Solution to Sudoku no 694

Sudoku no 694 (Diabolical)

Our younger son created this puzzle using a Javascript program which he wrote himself.

Sudoku grader and solver

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Solution to Sudoku no 693

Sudoku no 693 (Easy)

Our younger son created this puzzle using a Javascript program which he wrote himself.

Sudoku grader and solver

See answer