C22213331333133313112331323133313331333133313233121133132232332321   >>    C2221333133313331311233132313331333133313331323312113313223233232   <<    C22213331333133313112331323133313331333133313233121133132232332323   >>      C22213331333133313112331323133313331333133313233121133132232332322   >>