Using this chart as a reference, draw the earlier-heaven and later-heaven Eight Trigrams. Make sure the positions of the characters and trigrams precisely match. Use an ancient-looking background, as if it were on old manuscripts, and do not include any pinyin.
参考这张图画先天八卦和后天八卦，注意文字和卦的位置要精确对应，古朴的背景，似乎是在古老的文本上，不要有任何拼音
