C13223313311212111133133313331323133313331323131133132233131323233121   >>    C1322331331121211113313331333132313331333132313113313223313132323312   <<    C13223313311212111133133313331323133313331323131133132233131323233123   >>      C13223313311212111133133313331323133313331323131133132233131323233122   >>