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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 3, 2], [3, 2, 2, 3], [2, 3, 2] 1 8, 16, 8 4, 2, 4 4
\(\downarrow\)
[2, 3], [2, 2, 2, 3], [2, 3, 2] 121/90 5, 9, 8 5, 9, 4 180
\(\downarrow\)
[2, 2], [2, 2, 3], [2, 3, 2] 27/14 3, 7, 8 1, 7, 4 28
\(\downarrow\)
[2, 2], [2, 2, 2], [3, 2] 12/5 3, 4, 5 1, 1, 5 5
\(\downarrow\)
[2, 2], [2, 2], [2, 2] 3 3, 3, 3 1, 1, 1 1