#2 "Spider Web" - Little Killer & Fortress Sudoku

Each row, column and 3x3 region must contain the digits 1 through 9. Clues outside the grid indicate the sum of the digits on the indicated diagonal, and may include repeated digits. Grey cells must be larger in value than all orthogonally connected white cells Solve on F-Puzzles https://f-puzzles.com/?id=yyll48t6