C22213331333133313112331323133313331333133313112331333133112121321   >>    C2221333133313331311233132313331333133313331311233133313311212132   <<    C22213331333133313112331323133313331333133313112331333133112121323   >>      C22213331333133313112331323133313331333133313112331333133112121322   >>