Example 7. Arc diagram of BWV 847, highlighting SDS [$\stackrel{ˆ}{6}$ $\stackrel{ˆ}{5}$ $\stackrel{ˆ}{4}$ $\stackrel{̂}{3}$] and [$\stackrel{ˆ}{4}$ $\stackrel{̂}{3}$ $\stackrel{ˆ}{7}$ $\stackrel{ˆ}{1}$]