C22121232133313231322331322331313231313231323132313113313231333131321321   >>    C2212123213331323132233132233131323131323132313231311331323133313132132   <<    C22121232133313231322331322331313231313231323132313113313231333131321323   >>      C22121232133313231322331322331313231313231323132313113313231333131321322   >>