Cascade for [4], [2, 2, 2, 12]

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[4], [2, 2, 2, 12] 125/9 4, 45 2, 9 18
\(\downarrow\)
[3], [2, 2, 12] 722/51 3, 34 3, 17 51
\(\downarrow\)
[2], [2, 12] 338/23 2, 23 1, 23 23