Rules:
Normal Sudoku rules apply: each row, column, and 3×3 box contains the digits 1-9 exactly once. Additionally:
·Arithmetic Sequence Lines:
Gray lines contain digits in order, each with a constant difference.
·Geometric Sequence Lines:
Purple lines contain digits in order, each with a constant ratio.
Here you can solve the puzzle online:
Solve on SudokuPad
The difficulty is probably 2-3 stars. I wish you joyful solving!