C22213331333133313112331323133313331333133313331323223313123221   >>    C2221333133313331311233132313331333133313331333132322331312322   <<    C22213331333133313112331323133313331333133313331323223313123223   >>      C22213331333133313112331323133313331333133313331323223313123222   >>