C132233133112121111331333133313331312121111133313331333233233311   >>    C13223313311212111133133313331333131212111113331333133323323331   <<    C132233133112121111331333133313331312121111133313331333233233313   >>      C132233133112121111331333133313331312121111133313331333233233312   >>