C31321211111333132331211113313331333133313331333132313223121121   >>    C3132121111133313233121111331333133313331333133313231322312112   <<    C31321211111333132331211113313331333133313331333132313223121123   >>      C31321211111333132331211113313331333133313331333132313223121122   >>