C111123313121111121111331333133313331312111113331333133313331333132313331122331   >>    C11112331312111112111133133313331333131211111333133313331333133313231333112233   <<    C111123313121111121111331333133313331312111113331333133313331333132313331122333   >>      C111123313121111121111331333133313331312111113331333133313331333132313331122332   >>