I. I
u
1
= h−6.12 × 10
59
u
58
+ 1.07 × 10
60
u
57
+ · · · + 4.87 × 10
59
b + 9.72 ×
10
59
, −2.05 × 10
60
u
58
+ 3.52 × 10
60
u
57
+ · · · + 4.87 × 10
59
a + 1.34 ×
10
60
, u
59
− 3u
58
+ · · · + 3u
2
+ 1i
(i) Arc colorings
a
4
=
1
0
a
9
=
0
u
a
5
=
1
−u
2
a
10
=
u
−u
3
+ u
a
2
=
4.21152u
58
− 7.22122u
57
+ ··· − 12.4594u − 2.75461
1.25613u
58
− 2.20198u
57
+ ··· − 0.819175u − 1.99696
a
6
=
−u
2
+ 1
u
4
− 2u
2
a
11
=
−9.15963u
58
+ 16.8081u
57
+ ··· + 1.60609u + 10.4724
−6.32014u
58
+ 10.8093u
57
+ ··· + 5.10432u + 4.56009
a
1
=
5.46765u
58
− 9.42320u
57
+ ··· − 13.2786u − 4.75157
1.25613u
58
− 2.20198u
57
+ ··· − 0.819175u − 1.99696
a
3
=
4.39790u
58
− 7.52436u
57
+ ··· − 12.3770u − 2.98622
1.32770u
58
− 2.27810u
57
+ ··· − 0.861136u − 2.06309
a
8
=
12.1066u
58
− 24.6727u
57
+ ··· − 15.8303u − 1.97288
4.64955u
58
− 6.59987u
57
+ ··· − 1.46326u − 3.70154
a
12
=
10.5375u
58
− 10.9059u
57
+ ··· − 11.6889u − 15.2433
0.324061u
58
− 0.967105u
57
+ ··· − 0.188037u − 0.274138
a
7
=
8.66021u
58
− 9.05645u
57
+ ··· − 8.23792u − 4.80111
0.825077u
58
− 1.28802u
57
+ ··· − 0.769376u − 1.21854
(ii) Obstruction class = −1
(iii) Cusp Shapes = −26.5735u
58
+ 37.2947u
57
+ ··· + 9.09129u + 20.6511
2