Solutions for HARD Sudoku Puzzles H11-H20

Here are the original puzzles H11 to H20

Solution for Hard Sudoku Puzzle H11	Solution for Hard Sudoku Puzzle H12
Solution for Hard Sudoku Puzzle H13	Solution for Hard Sudoku Puzzle H14
Solution for Hard Sudoku Puzzle H15	Solution for Hard Sudoku Puzzle H16
Solution for Hard Sudoku Puzzle H17	Solution for Hard Sudoku Puzzle H18
Solution for Hard Sudoku Puzzle H19	Solution for Hard Sudoku Puzzle H20