Afternoon snack

Normal 4x4 sudoku rules apply. Place the digits 1 through 4 in each empty cell. Digits must not repeat within the same row, column, or box.

German Whispers: Adjacent digits along each German Whisper line must have a difference of at least 2. Digits may repeat on the line.

Kropki dots: A black dot between cells indicates cell values with a 2:1 ratio. Not all dots are shown.