C22121232133313231322331322331313231313231323132313113313233311311   >>    C2212123213331323132233132233131323131323132313231311331323331131   <<    C22121232133313231322331322331313231313231323132313113313233311313   >>      C22121232133313231322331322331313231313231323132313113313233311312   >>