C22213331333133313112331323133313331333133313233121111123231322322121   >>    C2221333133313331311233132313331333133313331323312111112323132232212   <<    C22213331333133313112331323133313331333133313233121111123231322322123   >>      C22213331333133313112331323133313331333133313233121111123231322322122   >>