Cascade for [2], [2, 3, 2, 2, 2, 2, 4]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2], [2, 3, 2, 2, 2, 2, 4] 3 2, 54 1, 3 3
\(\downarrow\)
[2], [4], [2, 2, 2, 3, 2] 25/7 2, 4, 14 1, 2, 7 14
\(\downarrow\)
[2], [3], [2, 2, 3, 2] 128/33 2, 3, 11 1, 3, 11 33
\(\downarrow\)
[2], [2], [2, 3, 2] 9/2 2, 2, 8 1, 1, 4 4