C1311213331333132332133313331333133313331333132313331311223312111133233231   >>    C131121333133313233213331333133313331333133313231333131122331211113323323   <<    C1311213331333132332133313331333133313331333132313331311223312111133233233   >>      C1311213331333132332133313331333133313331333132313331311223312111133233232   >>