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            rl - 7th in "focus" (aa, uu, ff, au, rr, ao, rl, sp, th, ki, ci, sn, lo, ba, ov, sh, fi, do, ru & ti)  Figure of 8 loop. Don't cause collisions.  Just like other apps in our series, the more you get into each level, the more it changes. There are theoretically infinite ways you can complete each, it