C13223313311212111133133313331323133313331323113313331333131113231   >>    C1322331331121211113313331333132313331333132311331333133313111323   <<    C13223313311212111133133313331323133313331323113313331333131113233   >>      C13223313311212111133133313331323133313331323113313331333131113232   >>