C111113331333132322331333133313331323323131121133133313233313123232313121   >>    C11111333133313232233133313331333132332313112113313331323331312323231312   <<    C111113331333132322331333133313331323323131121133133313233313123232313123   >>      C111113331333132322331333133313331323323131121133133313233313123232313122   >>