C22213331333133313112331323133313331333133313331333133313331312111113112123121   >>    C2221333133313331311233132313331333133313331333133313331333131211111311212312   <<    C22213331333133313112331323133313331333133313331333133313331312111113112123123   >>      C22213331333133313112331323133313331333133313331333133313331312111113112123122   >>