Cascade for [20], [20], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]

Singularity types \(K^2\) Orders of local
fundamental groups		 Local indices Index
[20], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 2/5 20, 40, 20 10, 1, 10 10
\(\downarrow\)
[19], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 39/95 19, 39, 20 19, 1, 10 190
\(\downarrow\)
[18], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 19/45 18, 38, 20 9, 1, 10 90
\(\downarrow\)
[17], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 37/85 17, 37, 20 17, 1, 10 170
\(\downarrow\)
[16], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 9/20 16, 36, 20 8, 1, 10 40
\(\downarrow\)
[15], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 7/15 15, 35, 20 15, 1, 10 30
\(\downarrow\)
[14], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 17/35 14, 34, 20 7, 1, 10 70
\(\downarrow\)
[13], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 33/65 13, 33, 20 13, 1, 10 130
\(\downarrow\)
[12], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 8/15 12, 32, 20 6, 1, 10 30
\(\downarrow\)
[11], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 31/55 11, 31, 20 11, 1, 10 110
\(\downarrow\)
[10], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 3/5 10, 30, 20 5, 1, 10 10
\(\downarrow\)
[9], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 29/45 9, 29, 20 9, 1, 10 90
\(\downarrow\)
[8], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 7/10 8, 28, 20 4, 1, 10 20
\(\downarrow\)
[7], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 27/35 7, 27, 20 7, 1, 10 70
\(\downarrow\)
[6], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 13/15 6, 26, 20 3, 1, 10 30
\(\downarrow\)
[5], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 1 5, 25, 20 5, 1, 10 10
\(\downarrow\)
[4], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 6/5 4, 24, 20 2, 1, 10 10
\(\downarrow\)
[3], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 23/15 3, 23, 20 3, 1, 10 30
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [20] 11/5 2, 22, 20 1, 1, 10 10
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [19] 42/19 2, 21, 19 1, 1, 19 19
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [18] 20/9 2, 20, 18 1, 1, 9 9
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [17] 38/17 2, 19, 17 1, 1, 17 17
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [16] 9/4 2, 18, 16 1, 1, 8 8
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [15] 34/15 2, 17, 15 1, 1, 15 15
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [14] 16/7 2, 16, 14 1, 1, 7 7
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [13] 30/13 2, 15, 13 1, 1, 13 13
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [12] 7/3 2, 14, 12 1, 1, 6 6
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [11] 26/11 2, 13, 11 1, 1, 11 11
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [10] 12/5 2, 12, 10 1, 1, 5 5
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2, 2], [9] 22/9 2, 11, 9 1, 1, 9 9
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2, 2], [8] 5/2 2, 10, 8 1, 1, 4 4
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2, 2], [7] 18/7 2, 9, 7 1, 1, 7 7
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2, 2], [6] 8/3 2, 8, 6 1, 1, 3 3
\(\downarrow\)
[2], [2, 2, 2, 2, 2, 2], [5] 14/5 2, 7, 5 1, 1, 5 5
\(\downarrow\)
[2], [2, 2, 2, 2, 2], [4] 3 2, 6, 4 1, 1, 2 2
\(\downarrow\)
[2], [2, 2, 2, 2], [3] 10/3 2, 5, 3 1, 1, 3 3
\(\downarrow\)
[2], [2, 2, 2], [2] 4 2, 4, 2 1, 1, 1 1