Antishouting Knight
This puzzle is a German Whispers Sudoku with a knight's move constraint. (inspired from Phistomefel.)
Rules:
1. Normal classic rules apply
2. Cells that are a knight's move away from each other, may not contain the same digit.
3. Adjacent digits along a green line must have a difference of at least 5.
Solution code: Row 2, followed by Column 3 (without space)