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

Singularity types \(K^2\) Orders of local
fundamental groups
Local indices Index
[2, 2, 2, 2, 2, 2, 2], [2, 2, 4] 1/5 8, 10 1, 5 5
\(\downarrow\)
[2], [2, 2, 2, 2, 2], [2, 2, 3] 3/7 2, 6, 7 1, 1, 7 7
\(\downarrow\)
[2], [2, 2], [2, 2, 2, 2, 2] 1 2, 3, 6 1, 1, 1 1