C22121232133313231322331322331313231313231323132313113313231333133311232313111   >>    C2212123213331323132233132233131323131323132313231311331323133313331123231311   <<    C22121232133313231322331322331313231313231323132313113313231333133311232313113   >>      C22121232133313231322331322331313231313231323132313113313231333133311232313112   >>