I think "rots in the circle of hell" may have somethingIt's likely we need to do with a ROT9 for reference to circlessome sort of hell but not sure.
-20 -17 17 -12 -9 16 -2 2 -1 =
35 -61
24 -5 -4 -5 -13 -18 -8 -22 -16 =
24 -91
-2 6 20 17 -10 10 15 12 -5 =
80 -17
14 -1 -19 -7 -13 -12 -9 -11 16 =
30 -72
-24 -14 9 11 -19 16 24 3 -3 =
63 -60
-2 20 -6 2 8 17 -20 22 -7 =
69 -35
-1 1 -13 -15 8 24 20 -16 11 =
64 -45
25 -4 8 -9 -11 4 -1 -7 5 =
42 -32
18 16 -10 1 -22 6 -13 17 19 =
77 -45
-18 2 -2 10 -17 -2 -6 5 12 =
29 -45
25 1 15 7 22 -8 16 14 3 =
103 -8
12 9 -4 -25 -4 1 -10 -21 -1 =
22 -65
-14 -19 24 26 -4 -16 -2 19 -12 =
69 -67
21 -5 -2 23 20 5 -7 12 23 =
104 -14
-15 11 20 8 -7 -6 13 9 -18 =
61 -46
2 -1 7 -12 23 21 -2 -14 8 =
61 -29
-6 12 -16 -20 -26 -23 2 9 21 =
44 -91
26 24 -20 -5 -9 -22 -18 -15 -3 =
50 -92
-20 19 -15 -3 8 2 26 -25 9 =
64 -63
3 -6 7 -9 13 20 -15 3 -21 =
46 -51
20 -18 -10 1 -15 18 -5 2 10 =
51 -48
11 -19 24 13 3 -26 -3 -5 9 =
60 -53
-17 -3 -1 -3 19 -4 -5 -14 24 =
43 -47
9 5 -9 2 -12 -25 -20 -6 13 =
29 -72
15 -23 11 5 -6 -19 -6 -26 13 =
44 -80
-2 -22 6 6 26 8 22 -3 -7 =
68 -34
1 -15 -18 -21 19 -10 21 14 5 =
60 -64
summation, something involving an angle, something with the negative values and them being rotated
(9)