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

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