[x] implement what is implementable from tetrapodal search paper

Turns out: Honestly not that interesting. I think we can do better
with the evaluation.

doc/timeline/week27.txt

@@ -3,6 +3,6 @@ Week 26 (29.06. - 03.07.)
 
 [x] look at all applications as introduced in the paper (Mo, Di)
 
-[ ] implement what is implmentable (Di, Mi)
+[x] implement what is implmentable (Di, Mi)
 
 [ ] evaluate results (Mi, Do)