C1311213331333132332133313331333133313331333131133133323323221121131   >>    C131121333133313233213331333133313331333133313113313332332322112113   <<    C1311213331333132332133313331333133313331333131133133323323221121133   >>      C1311213331333132332133313331333133313331333131133133323323221121132   >>