C111123313121111121111331333133313331333133313331333133313331322123221221   >>    C11112331312111112111133133313331333133313331333133313331333132212322122   <<    C111123313121111121111331333133313331333133313331333133313331322123221223   >>      C111123313121111121111331333133313331333133313331333133313331322123221222   >>