C111113331333132322331333133313331333133313121111331333113311311   >>    C11111333133313232233133313331333133313331312111133133311331131   <<    C111113331333132322331333133313331333133313121111331333113311313   >>      C111113331333132322331333133313331333133313121111331333113311312   >>