C1123132332111133131211113313331333132322331323133313113313231333132312311   >>    C112313233211113313121111331333133313232233132313331311331323133313231231   <<    C1123132332111133131211113313331333132322331323133313113313231333132312313   >>      C1123132332111133131211113313331333132322331323133313113313231333132312312   >>