C1111133313331323223313331333133313113313223313113313113313232223132313231311   >>    C111113331333132322331333133313331311331322331311331311331323222313231323131   <<    C1111133313331323223313331333133313113313223313113313113313232223132313231313   >>      C1111133313331323223313331333133313113313223313113313113313232223132313231312   >>