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It seems to work. The black line is E. coli., which is very different from Staph. aur. (red and green) and Staph. epi. (blue). You'll also notice that the 2 Staph aur. lines are very close to each other, since they're almost identical; they're very similar to yet distinct from Staph. epi; and distant from E. coli.
Cool, huh? The details (username: guest, password: guest)