C111123313121111121111331333133313331323232133313331313331311331333132321121   >>    C11112331312111112111133133313331333132323213331333131333131133133313232112   <<    C111123313121111121111331333133313331323232133313331313331311331333132321123   >>      C111123313121111121111331333133313331323232133313331313331311331333132321122   >>