C22213331333133313112331323133313331333133313211232313133322321   >>    C2221333133313331311233132313331333133313331321123231313332232   <<    C22213331333133313112331323133313331333133313211232313133322323   >>      C22213331333133313112331323133313331333133313211232313133322322   >>