I. I
u
1
= h6.49 × 10
26
u
27
+ 1.90 × 10
27
u
26
+ · · · + 6.32 × 10
27
b − 6.60 ×
10
27
, −1.10 × 10
28
u
27
− 1.97 × 10
28
u
26
+ · · · + 1.26 × 10
28
a − 2.29 ×
10
29
, u
28
+ 2u
27
+ · · · + 20u + 8i
(i) Arc colorings
a
5
=
1
0
a
10
=
0
u
a
2
=
0.872833u
27
+ 1.55668u
26
+ ··· − 6.74875u + 18.0929
−0.102805u
27
− 0.301262u
26
+ ··· + 5.99581u + 1.04512
a
6
=
1
u
2
a
4
=
0.748842u
27
+ 1.32169u
26
+ ··· − 4.76990u + 17.3225
0.236809u
27
+ 0.571914u
26
+ ··· − 10.8084u − 2.70142
a
7
=
0.212982u
27
+ 0.380557u
26
+ ··· − 3.15104u + 3.02347
−0.0259598u
27
− 0.0939752u
26
+ ··· + 1.35732u + 1.55242
a
8
=
0.187022u
27
+ 0.286582u
26
+ ··· − 1.79372u + 4.57588
−0.0259598u
27
− 0.0939752u
26
+ ··· + 1.35732u + 1.55242
a
1
=
0.212982u
27
+ 0.380557u
26
+ ··· − 3.15104u + 3.02347
0.0387264u
27
+ 0.130165u
26
+ ··· − 2.15306u − 1.18917
a
3
=
0.902672u
27
+ 1.78001u
26
+ ··· − 13.1074u + 13.2132
0.300350u
27
+ 0.747310u
26
+ ··· − 15.0523u − 3.90671
a
9
=
u
u
3
+ u
a
11
=
0.216279u
27
+ 0.376927u
26
+ ··· − 2.89799u + 3.72316
0.0537576u
27
+ 0.145064u
26
+ ··· − 1.72187u − 0.407669
a
11
=
0.216279u
27
+ 0.376927u
26
+ ··· − 2.89799u + 3.72316
0.0537576u
27
+ 0.145064u
26
+ ··· − 1.72187u − 0.407669
(ii) Obstruction class = −1
(iii) Cusp Shapes =
10054887119174523839900746713
6316300717618506105858780668
u
27
+
3421814896803148511487522420
1579075179404626526464695167
u
26
+
··· +
38462222224803397140841081069
3158150358809253052929390334
u +
73867545823191868965381639557
1579075179404626526464695167
2