C111123313121111121111331333133313331333131233133313331312112323321323321   >>    C11112331312111112111133133313331333133313123313331333131211232332132332   <<    C111123313121111121111331333133313331333131233133313331312112323321323323   >>      C111123313121111121111331333133313331333131233133313331312112323321323322   >>