@a = (2, 6.5 ,4, 3, 2, 7.5, 4.0);
@b = (2, 6.52 ,4.5, 7.05, 2.0, 4.1, 3);


##</code><code>##

@a = (6.5, 4, 7.5, 4.0)
@b = (6.52, 4.5, 7.05, 2.0, 4.1)