Normal sudoku rules apply.
The purple lines each contain a string of consecutive digits with no repeats, in any order.
Each line has exactly one pair of successive digits with a 1:2 ratio between them. (Clarification: Cells R6C5 & R7C5 are considered successive, cells R6C6 & R7C6 are not)
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Lösungscode: Digits in row 9 (left to right) followed by the digits in column 1 (top to bottom)