C22121232133313231322331322331313231313231323132313113313231322132311321   >>    C2212123213331323132233132233131323131323132313231311331323132213231132   <<    C22121232133313231322331322331313231313231323132313113313231322132311323   >>      C22121232133313231322331322331313231313231323132313113313231322132311322   >>