C121212231313232233131323223313231323131111223132313231323131323132322331   >>    C12121223131323223313132322331323132313111122313231323132313132313232233   <<    C121212231313232233131323223313231323131111223132313231323131323132322333   >>      C121212231313232233131323223313231323131111223132313231323131323132322332   >>