Logic Masters Deutschland e.V.

Standard sudoku rules apply.

Nabner Lines: Thin yellow lines in the grid are Nabner lines. If a digit appears on a line, then the digits consecutive with it do not appear on the line. Digits cannot repeat on a Nabner line. For example, if a 2 appears on the line, then 1 and 3 do not appear on the line, and another 2 also does not appear.

Index Lines: Thick blue and purple lines in the grid are index lines. The value of the Nth cell along a line (starting from the diamond) indicates the position along the line of the cell which has the value N. Eg: if the first cell along a line has a value of 3, then the 3rd cell along that line has a value of 1.

There are 3 separate index lines starting at r1c9.

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