C13223313311212111133133313331323133313331323113313331313221211   >>    C1322331331121211113313331333132313331333132311331333131322121   <<    C13223313311212111133133313331323133313331323113313331313221213   >>      C13223313311212111133133313331323133313331323113313331313221212   >>