C31321211111333132331211113313331333133313331333133313331333131133132332121   >>    C3132121111133313233121111331333133313331333133313331333133313113313233212   <<    C31321211111333132331211113313331333133313331333133313331333131133132332123   >>      C31321211111333132331211113313331333133313331333133313331333131133132332122   >>