I. I
u
1
= h−1.20 × 10
514
u
123
+ 1.79 × 10
514
u
122
+ · · · + 1.37 × 10
514
b + 9.45 ×
10
513
, −8.51 × 10
513
u
123
+ 2.28 × 10
514
u
122
+ · · · + 6.87 × 10
513
a + 3.75 ×
10
514
, u
124
− 3u
123
+ · · · − 17u + 1i
(i) Arc colorings
a
9
=
0
u
a
11
=
1
0
a
12
=
1
u
2
a
4
=
1.23823u
123
− 3.32023u
122
+ ··· + 92.0435u − 5.46069
0.870390u
123
− 1.29989u
122
+ ··· + 18.1293u − 0.687657
a
10
=
−u
−u
3
+ u
a
8
=
0.636769u
123
− 3.20862u
122
+ ··· + 84.3954u − 2.94586
−1.14946u
123
+ 2.37316u
122
+ ··· − 41.7539u + 2.55020
a
3
=
2.25351u
123
− 8.02311u
122
+ ··· + 332.546u − 26.9028
−0.106456u
123
+ 1.24630u
122
+ ··· − 6.66420u + 1.61535
a
7
=
−0.512693u
123
− 0.835457u
122
+ ··· + 42.6415u − 0.395659
−1.14946u
123
+ 2.37316u
122
+ ··· − 41.7539u + 2.55020
a
1
=
−0.363633u
123
+ 0.445779u
122
+ ··· + 7.87842u − 3.65412
0.170523u
123
− 0.430689u
122
+ ··· − 0.767532u + 0.281487
a
6
=
0.626018u
123
− 2.92628u
122
+ ··· + 64.5489u − 1.65616
−1.38877u
123
+ 2.78861u
122
+ ··· − 42.2698u + 2.48540
a
5
=
2.64583u
123
− 8.44868u
122
+ ··· + 327.721u − 25.5158
0.318080u
123
+ 0.453649u
122
+ ··· + 6.76485u + 0.672544
a
2
=
1.13479u
123
− 5.07219u
122
+ ··· + 147.722u − 2.40535
−0.709729u
123
+ 1.24243u
122
+ ··· − 53.4260u + 3.18946
(ii) Obstruction class = −1
(iii) Cusp Shapes = 6.43594u
123
− 17.2046u
122
+ ··· − 79.2712u + 10.6191
2