Solutions for MEDIUM Sudoku Puzzles M71-M80

Solution for Medium Sudoku Puzzle M71
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Solution for Medium Sudoku Puzzle M73
This image has an empty alt attribute; its file name is image-401.png		Solution for Medium Sudoku Puzzle M74
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Solution for Medium Sudoku Puzzle M75
This image has an empty alt attribute; its file name is image-405.png		Solution for Medium Sudoku Puzzle M76
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Solution for Medium Sudoku Puzzle M77
This image has an empty alt attribute; its file name is image-409.png		Solution for Medium Sudoku Puzzle M78
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Solution for Medium Sudoku Puzzle M79
This image has an empty alt attribute; its file name is image-413.png		Solution for Medium Sudoku Puzzle M80
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Here are the original puzzles M71 to M80