Arghh... been looking at this one for months without getting anywhere, then suddenly finds a "XOR"-point and everything solves out in a matter of minutes. Love it.
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Key
A yellow/light blue highlight in the time distribution charts highlights your time, where relevant.
Rating scores out of 10.0 show the average difficulty rating chosen by users, where 1.0 is "Easy" and 10.0 is "Hard".
If a puzzle is opened more than once, including by loading from a saved position, then this is potentially a significant aid so it is listed as being completed with 'multiple sessions' for the purpose of the best time/average rating displays above.
Minor aid is defined as no more than one use of 'Check solution' when incomplete and/or no more than one use of 'Check solution' when wrong; and/or using highlighting aids (show repeated digits, show broken inequalities and show valid/invalid placements [slitherlink] only). Major aid is any and all other use of the solving aids except for 'show wrong'.
Would you like the bold lines between regions to be thicker? I could add an option to enable that for this and jigsaw sudoku, perhaps?
You can however view other players' statistics and comments in the tables above.