C131323131212113313223313133313112113313223313232212132333112331   >>    C13132313121211331322331313331311211331322331323221213233311233   <<    C131323131212113313223313133313112113313223313232212132333112333   >>      C131323131212113313223313133313112113313223313232212132333112332   >>