C121212231313232233132332313231323123231323223313132313231331123232311   >>    C12121223131323223313233231323132312323132322331313231323133112323231   <<    C121212231313232233132332313231323123231323223313132313231331123232313   >>      C121212231313232233132332313231323123231323223313132313231331123232312   >>