C22213331333133313112331323133313331333133313211232321123222321   >>    C2221333133313331311233132313331333133313331321123232112322232   <<    C22213331333133313112331323133313331333133313211232321123222323   >>      C22213331333133313112331323133313331333133313211232321123222322   >>