Cascade for [2], [2, 2], [2, 5, 3]

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[2], [2, 2], [2, 5, 3] 6 2, 3, 25 1, 1, 5 5
\(\downarrow\)
[2], [2], [2, 5, 2] 25/4 2, 2, 16 1, 1, 8 8