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

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