Eight trigrams diagram with reference image

An educational infographic showing the pre-heaven and post-heaven Bagua diagrams with precisely matched trigram and text positions. The design uses an ancient, weathered text background and includes no 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