C111123313121111121111331333133313331333131132332313331333132211323222221   >>    C11112331312111112111133133313331333133313113233231333133313221132322222   <<    C111123313121111121111331333133313331333131132332313331333132211323222223   >>      C111123313121111121111331333133313331333131132332313331333132211323222222   >>