C1123132332111133131211113313331333132322331323133313131133132232311   >>    C112313233211113313121111331333133313232233132313331313113313223231   <<    C1123132332111133131211113313331333132322331323133313131133132232313   >>      C1123132332111133131211113313331333132322331323133313131133132232312   >>