Sunday puzzles: mathrax
Puzzle 1
0957 Mathrax 8×8 RS 05-07-15
Fill in the figures 1-8 on each row and column. On some intersections you find hints. E means that in all four squares the number is even, and O means that all four figures are odd. A number and a sign (+, -, x, /) means that that is the result of the two paired diagonally adjacent squares.