C13223313311212111133133313331323133313331323132322121111123231211   >>    C1322331331121211113313331333132313331333132313232212111112323121   <<    C13223313311212111133133313331323133313331323132322121111123231213   >>      C13223313311212111133133313331323133313331323132322121111123231212   >>