Cascade for [2, 2, 2], [4, 9]

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[2, 2, 2], [4, 9] 80/7 4, 35 1, 7 7
\(\downarrow\)
[2, 2], [3, 9] 150/13 3, 26 1, 13 13
\(\downarrow\)
[2], [2, 9] 200/17 2, 17 1, 17 17