Expression: k[k][k][s[s][k][s[s]]]  
Visualisation:
 
Graph of Evaluated Expression Lengths:
 
Statistical Analysis of Halting Time:
 
Machine Learning Analysis of Halting:
 
Evaluated expression:

Expression: k[k][k][s[s][k][s[s]]]  
Visualisation:
 
Graph of Evaluated Expression Lengths:
 
Statistical Analysis of Halting Time:
 
Machine Learning Analysis of Halting:
 
Evaluated expression:
