C22213331333133313112331323133313331333133313211232313331333131113231313321   >>    C2221333133313331311233132313331333133313331321123231333133313111323131332   <<    C22213331333133313112331323133313331333133313211232313331333131113231313323   >>      C22213331333133313112331323133313331333133313211232313331333131113231313322   >>