Experiments with the Yi Jing, the Book of Changes, a.k.a. I Ching.
The scripts trigrams.py, hexagrams.py and changes.py include
demonstrations that you can start from the command line.
For example:
$ ./changes.py
━━━ ━━━ ━━━ ━━━
━━━━━━━━━ ━━━━━━━━━
━━━ ━━━ ━━━ ━━━
━━━ ⨯ ━━━ ━━━━━━━━━
━━━━⊖━━━━ ━━━ ━━━
━━━━━━━━━ ━━━━━━━━━
60 ䷻ LIMITATION 63 ䷾ AFTER COMPLETION