+6 +6 +6 +6 +6 +6 +6 +6 +6 6 -6 -6 -6 -6 -6 -6 -6 -6 -6 60 1 x 6= 10 x 6= 2 x 6= 9 x 6= 3 x 6= 8 x 6= 4 x 6= 7 x 6= 5 x 6= 6 x 6= 6 x 6= 5 x 6= 7 x 6= 4 x 6= 8 x 6= 3 x 6= 9 x 6= 2 x 6= 10 x 6= 1 x 6= -64-