al writing modes. The resulting effect is called <i>tate-chu-yoko</i> (<span lang="ja">縦中横</span>, sometimes abbreviated as <abbr>TCY</abbr> in CSSWG mailing lists) and used for short digits in vertical Japanese layout.
<figure class="example">
<img src="https://drafts.csswg.org/css-writing-modes/tate-chu-yoko.png">
<figcaption>Example of tate-chu-yoko (borrowed from the Writing Modes spec). The digits "20" and "16" are aligned horizontally. Also the digit "4" is rotated upright even it looks an ASCII