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

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[2, 2], [2, 2, 2, 2, 2] 2 3, 6 1, 1 1
\(\downarrow\)
[2, 2], [2, 2], [2, 2] 3 3, 3, 3 1, 1, 1 1