Cascade for [3], [2, 2, 2, 2], [2, 2, 2, 2]

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[3], [2, 2, 2, 2], [2, 2, 2, 2] 1/3 3, 5, 5 3, 1, 1 3
\(\downarrow\)
[2, 2, 2, 2], [2, 2, 2, 2] 1 5, 5 1, 1 1