C22213331333133313112331323133313331333133313233121133133313132323221   >>    C2221333133313331311233132313331333133313331323312113313331313232322   <<    C22213331333133313112331323133313331333133313233121133133313132323223   >>      C22213331333133313112331323133313331333133313233121133133313132323222   >>