C13223313311212111133133313331333133313231323133213331323221123311   >>    C1322331331121211113313331333133313331323132313321333132322112331   <<    C13223313311212111133133313331333133313231323133213331323221123313   >>      C13223313311212111133133313331333133313231323133213331323221123312   >>