C111113331333132322331333133313331333133313121111331333211312311   >>    C11111333133313232233133313331333133313331312111133133321131231   <<    C111113331333132322331333133313331333133313121111331333211312313   >>      C111113331333132322331333133313331333133313121111331333211312312   >>