I. I
u
1
=
h1.36×10
26
u
40
+3.41×10
25
u
39
+· · ·+4.77×10
26
b+1.23×10
27
, 1.32×10
27
u
40
−
3.92 × 10
27
u
39
+ · · · + 5.72 × 10
27
a + 9.92 × 10
27
, u
41
+ 3u
40
+ · · · − 16u + 3i
(i) Arc colorings
a
7
=
0
u
a
10
=
1
0
a
11
=
1
u
2
a
8
=
−u
−u
3
+ u
a
1
=
−u
2
+ 1
−u
4
+ 2u
2
a
4
=
−0.230736u
40
+ 0.684521u
39
+ ··· + 27.5823u − 1.73316
−0.284509u
40
− 0.0716075u
39
+ ··· + 13.5631u − 2.57954
a
3
=
0.0537729u
40
+ 0.756128u
39
+ ··· + 14.0192u + 0.846378
−0.284509u
40
− 0.0716075u
39
+ ··· + 13.5631u − 2.57954
a
2
=
−0.417033u
40
+ 0.180050u
39
+ ··· + 24.6975u − 0.635993
−0.488200u
40
− 0.376850u
39
+ ··· + 16.4598u − 3.17299
a
6
=
−0.699060u
40
− 0.274328u
39
+ ··· + 36.6179u − 7.70938
−0.662144u
40
− 0.883819u
39
+ ··· + 14.3253u − 3.84461
a
9
=
2.14850u
40
+ 4.44463u
39
+ ··· + 10.3774u − 6.62221
0.866962u
40
+ 1.26216u
39
+ ··· − 10.7057u − 0.442876
a
5
=
0.516885u
40
+ 0.0710561u
39
+ ··· − 22.2661u + 0.886590
0.526631u
40
+ 0.306983u
39
+ ··· − 19.7993u + 3.74658
a
5
=
0.516885u
40
+ 0.0710561u
39
+ ··· − 22.2661u + 0.886590
0.526631u
40
+ 0.306983u
39
+ ··· − 19.7993u + 3.74658
(ii) Obstruction class = −1
(iii) Cusp Shapes =
559898241088593396717061691
238387645942441547003348479
u
40
+
403977182003809318732241725
86686416706342380728490356
u
39
+
··· −
465164699436934167876296904
238387645942441547003348479
u +
633526497906639455712438183
953550583769766188013393916
2