C22121232133313231322331322331313231313231323132313113313231323211211231   >>    C2212123213331323132233132233131323131323132313231311331323132321121123   <<    C22121232133313231322331322331313231313231323132313113313231323211211233   >>      C22121232133313231322331322331313231313231323132313113313231323211211232   >>