Killer Sudoku 300312
There are 2 AC at A3 and i 7.
Use the Golden Rule it is obvious that A3 = 45 - 10 - 19 - 14 = 3
If follows A4 = 3 - 2 = 1
Another AC is i 7 = 45 - 21 - 7 - 9 = 8
If follows that i 6 = 11 - 8 = 3
Use the x method to eliminate all impossible numbers in all squares with clues…
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