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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2, 2, 2], [2, 5] 5 5, 9 1, 3 3
\(\downarrow\)
[2, 2, 2], [2, 4] 36/7 4, 7 1, 7 7
\(\downarrow\)
[2, 2], [2, 3] 27/5 3, 5 1, 5 5
\(\downarrow\)
[2], [2, 2] 6 2, 3 1, 1 1