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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2], [3, 2, 2, 2, 2, 3] 2 3, 24 1, 2 2
\(\downarrow\)
[3], [2, 2], [2, 2, 2, 3] 25/9 3, 3, 9 3, 1, 9 9
\(\downarrow\)
[2], [2, 2], [2, 2, 3] 24/7 2, 3, 7 1, 1, 7 7
\(\downarrow\)
[2], [2], [2, 2, 2] 4 2, 2, 4 1, 1, 1 1