C111113331333132322331333133313331333133313121111331333121111331333131232311311   >>    C11111333133313232233133313331333133313331312111133133312111133133313123231131   <<    C111113331333132322331333133313331333133313121111331333121111331333131232311313   >>      C111113331333132322331333133313331333133313121111331333121111331333131232311312   >>