C13223313311212111133133313331333133313231323133213331323132322132313112211   >>    C1322331331121211113313331333133313331323132313321333132313232213231311221   <<    C13223313311212111133133313331333133313231323133213331323132322132313112213   >>      C13223313311212111133133313331333133313231323133213331323132322132313112212   >>