C111123313121111121111331333133313331333131233133313232233223131   >>    C11112331312111112111133133313331333133313123313331323223322313   <<    C111123313121111121111331333133313331333131233133313232233223133   >>      C111123313121111121111331333133313331333131233133313232233223132   >>