C1311213331333132332133313331333133313331333131133132322112113313232322311   >>    C131121333133313233213331333133313331333133313113313232211211331323232231   <<    C1311213331333132332133313331333133313331333131133132322112113313232322313   >>      C1311213331333132332133313331333133313331333131133132322112113313232322312   >>