C22213331333133313112331323133313331333133313331333133313331312323132313121   >>    C2221333133313331311233132313331333133313331333133313331333131232313231312   <<    C22213331333133313112331323133313331333133313331333133313331312323132313123   >>      C22213331333133313112331323133313331333133313331333133313331312323132313122   >>