Seven slots, left to right · edges are the rare ones

Every drop is six independent left-or-right bounces, decided in your browser at the moment you release the token. Because both directions are equally likely at each pin, most tokens gather around the middle: the x0.1 centre slot is by far the most common one and the x9 edges are the hardest to reach. The board keeps no memory of earlier drops, so a run of centre landings never brings an edge any closer.