C13223313311212111133133313331333133313231323133213331323233232223131   >>    C1322331331121211113313331333133313331323132313321333132323323222313   <<    C13223313311212111133133313331333133313231323133213331323233232223133   >>      C13223313311212111133133313331333133313231323133213331323233232223132   >>