Logic Masters Deutschland e.V.

The 6th Element

Rules:

Normal sudoku rules apply. The gray line is a palindrome i.e. reads the same in both directions. Adjacent digits along the green line must differ by at least 5. Digits along an arrow must sum to the digit in that arrow's circle. Digits on a purple line form a set of consecutive integers in some order. Every run of three digits on the teal line contains a digit from {1,4,7}, a digit from {2,5,8} and a digit from {3,6,9}. Box borders divide the blue line into segments with the same sum.

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