C1311213331333132332133313331333133313331333131133132322112113313221211   >>    C131121333133313233213331333133313331333133313113313232211211331322121   <<    C1311213331333132332133313331333133313331333131133132322112113313221213   >>      C1311213331333132332133313331333133313331333131133132322112113313221212   >>