Benches: B1/B2/B3/B4 B1 always will be bench most DSR. From there the benches clockwise from B1 would be B2, B3, and B4, respectively. Read more about Benches: B1/B2/B3/B4 B1 always will be bench most DSR. From there the benches clockwise from B1 would be B2, B3, and B4, respectively.