C13223313311212111133133313331333133313231323133213331313132311   >>    C1322331331121211113313331333133313331323132313321333131313231   <<    C13223313311212111133133313331333133313231323133213331313132313   >>      C13223313311212111133133313331333133313231323133213331313132312   >>