Mathrax (2)

(Published on 8. August 2014, 12:00 by Richard)

Place the digits from 1 to 8 in each row and each column. Some intersections of the grid lines are marked by a number and an operator (+, -, X, /) in a circle. The number is the result of the operation, applied to both pairs of diagonally opposite cells. An "E" in the circle indicates that all four adjacent digits are even; an "O" indicates that all four adjacent digits are odd.

Example (1 to 6):

Puzzle:

Solution code: Column 1, followed by column 8.

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