Chain Link
A variation of Sudoku and other 'Latin square' puzzles.
The additional clue, in this puzzle, is provided by the linked cells. A digit can appear only once in each linked chain.
The example puzzle was devised by Trevor Truran.
Download example puzzle
Instructions:
Place a digit from 1-8 in each cell in such a way that each digit appears only once in each row, column and linked chain.
