Anti-King Little Killer Sudoku Hard

Anti-King Little Killer Sudoku Rule

Anti-King Sudoku + Little Killer Sudoku

Little killer sudoku

Place a digit from 1 to 9 into each of the empty squares so that each digit appears exactly once in each of the rows, columns and the nine outlined 3x3 regions.
Numbers with arrows indicate sum of the numbers in each direction.

Anti-king sudoku rules: no two squares that touch either horizontally, vertically or diagonally can have the same digit. (As in, no two squares a chess king can move between in a single move.)