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

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