C1111133313331323223313331333133313331333131211113313331323223323311   >>    C111113331333132322331333133313331333133313121111331333132322332331   <<    C1111133313331323223313331333133313331333131211113313331323223323313   >>      C1111133313331323223313331333133313331333131211113313331323223323312   >>