C111113331333132322331333133313331333133313121111331331121111133313331322232311   >>    C11111333133313232233133313331333133313331312111133133112111113331333132223231   <<    C111113331333132322331333133313331333133313121111331331121111133313331322232313   >>      C111113331333132322331333133313331333133313121111331331121111133313331322232312   >>