C13223313311212111133133313331323133313331323113313331333133312211211   >>    C1322331331121211113313331333132313331333132311331333133313331221121   <<    C13223313311212111133133313331323133313331323113313331333133312211213   >>      C13223313311212111133133313331323133313331323113313331333133312211212   >>