Normal sudoku rules apply. Digits on a gray line must be between the digits in the circled ends. A clue outside the grid gives the sum of the digits along the indicated diagonal, which may include repeats. Digits connected by an X sum to ten. Digits connected by a V sum to five. Digits connected by a white circle must be consecutive. Not all X’s, V’s and white circles are shown. Digits along the blue diagonal cannot repeat and must alternate between odd and even.
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