C22121232133313231322331322331313231313231323132313132313311232311   >>    C2212123213331323132233132233131323131323132313231313231331123231   <<    C22121232133313231322331322331313231313231323132313132313311232313   >>      C22121232133313231322331322331313231313231323132313132313311232312   >>