C22213331333133313112331323133313331333131111121111331333132223213232233131231   >>    C2221333133313331311233132313331333133313111112111133133313222321323223313123   <<    C22213331333133313112331323133313331333131111121111331333132223213232233131233   >>      C22213331333133313112331323133313331333131111121111331333132223213232233131232   >>