Logic Masters Deutschland e.V.

- Normal 5x5 sudoku rules apply.

- Row indexers: Blue cells are row-indexing cells. A digit in a blue cell gives the placement of that cell's row number in its column (see diagram below for example).

- Column indexers: Red cells are column-indexing cells. A digit in a red cell gives the placement of that cell's column number in its row (see diagram below for example).

- Anti-Knight: Cells separated by a knight's move in chess cannot contain the same digit.

Indexer example:

Solve it on CTC .

Please feel free to ask any question regarding the puzzle in the comments and I’ll do my best to respond ASAP :)