C1111133313331323223313331333133313331333131133133313331323133313232311   >>    C111113331333132322331333133313331333133313113313331333132313331323231   <<    C1111133313331323223313331333133313331333131133133313331323133313232313   >>      C1111133313331323223313331333133313331333131133133313331323133313232312   >>