C1311213331333132332133313331333133313331333131133133313231333233232321   >>    C131121333133313233213331333133313331333133313113313331323133323323232   <<    C1311213331333132332133313331333133313331333131133133313231333233232323   >>      C1311213331333132332133313331333133313331333131133133313231333233232322   >>