Cascade for [2, 2, 2, 2], [2, 2, 2, 2], [5, 2, 5]

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[2, 2, 2, 2], [2, 2, 2, 2], [5, 2, 5] 5/2 5, 5, 40 1, 1, 4 4
\(\downarrow\)
[2, 2, 2], [2, 2, 2, 2], [4, 2, 5] 80/31 4, 5, 31 1, 1, 31 31
\(\downarrow\)
[2, 2], [2, 2, 2, 2], [3, 2, 5] 30/11 3, 5, 22 1, 1, 11 11
\(\downarrow\)
[2], [2, 2, 2, 2], [2, 2, 5] 40/13 2, 5, 13 1, 1, 13 13
\(\downarrow\)
[2], [2, 2, 2], [2, 2, 4] 16/5 2, 4, 10 1, 1, 5 5
\(\downarrow\)
[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