Sudoku 43: Linked Sudoku

I wish a very Happy New Year to all of you. Here is special sudoku for the new year😃

Theme: 20-20

Rules: Classic Sudoku rules apply. Additionally, the sum of shaded cells in the same position in the four sudokus should be 20.

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Sudoku 16: Arrow-Thermo Linked Sudoku

Rules: Classic Sudoku rules apply. Additionally,

For Arrow Sudoku(left one), the number in a circle is the sum of the digits which are marked by its arrow.

For Thermo Sudoku(right one), the digits in the thermometer shapes must be strictly increasing in each cell from the round bulb to the flat end.

And the gray shaded cells must have same digits in both the sudokus.

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