C121212231313232233132332313231323123231323223313132313231313311   >>    C12121223131323223313233231323132312323132322331313231323131331   <<    C121212231313232233132332313231323123231323223313132313231313313   >>      C121212231313232233132332313231323123231323223313132313231313312   >>