hi! ive just rewound an old johnson 111. i want to put a couple of small round samarium cobalt magnets on the sides of the can. hows the orientation, do i stick the cobalts together pull them apart then stick them on the cans, or do i have them repelling each other and then stick them on the cans that way or third do i stick them on with one atracting and one repelling. thanks in advance. john.