now this square can't be two or six because yeah this is so clever this is so clever right look at this square now so now we've got these as two and six and we know they're different digits this cell sees both of those digits what do i mean by c's well it sees this whatever that square is it obviously rules itself out of this cell in the because of it's in the same row and whatever this cell is it rules itself out rules itself out of here because it's in the same column so row seven column three cannot be a two or a six therefore it has to be a three four or a five and that creates a three four five triple in the row which means that square can't be a three or a four and that square is a two and now that square's a six and that square is a two this is one of the most brilliant puzzles i have ever seen it is just it's absolutely superb ah the eight arrow now can't be one two five so that's one three four
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