C13223313311212111133133313331333133313232233133313112113133311211   >>    C1322331331121211113313331333133313331323223313331311211313331121   <<    C13223313311212111133133313331333133313232233133313112113133311213   >>      C13223313311212111133133313331333133313232233133313112113133311212   >>