HARD Sudoku Puzzles H51-H60

Objective:

Fill in the 9×9 grid so that each row, column, and 3×3 subgrid contains all of the numbers from 1 to 9, without any repetition.

Rules:

Each row must contain all the numbers from 1 to 9 without repetition.
Each column must contain all the numbers from 1 to 9 without repetition.
Each 3×3 subgrid (box) must contain all the numbers from 1 to 9 without repetition.

Hard Sudoku Puzzle H51	Hard Sudoku Puzzle H52
Hard Sudoku Puzzle H53	Hard Sudoku Puzzle H54
Hard Sudoku Puzzle H55	Hard Sudoku Puzzle H56
Hard Sudoku Puzzle H57	Hard Sudoku Puzzle H58
Hard Sudoku Puzzle H59	Hard Sudoku Puzzle H60

Solutions for above 10 Hard sudoku puzzles H51 to H60 can be found Here.