C1111133313331323223313331333133313331322332212111113331311331333131132311   >>    C111113331333132322331333133313331333132233221211111333131133133313113231   <<    C1111133313331323223313331333133313331322332212111113331311331333131132313   >>      C1111133313331323223313331333133313331322332212111113331311331333131132312   >>