III. I
u
3
= h−51u
11
− 95u
10
+ · · · + 185b + 342, −224u
11
− 188u
10
+ · · · +
185a − 115, u
12
+ u
11
+ · · · − 4u − 1i
(i) Arc colorings
a
7
=
1
0
a
12
=
0
u
a
8
=
1
u
2
a
1
=
−u
u
a
5
=
1.21081u
11
+ 1.01622u
10
+ ··· − 6.87027u + 0.621622
0.275676u
11
+ 0.513514u
10
+ ··· − 4.89189u − 1.84865
a
4
=
1.21081u
11
+ 1.01622u
10
+ ··· − 6.87027u + 0.621622
0.772973u
11
+ 0.459459u
10
+ ··· − 5.32432u − 1.65405
a
2
=
1.88108u
11
+ 2.02162u
10
+ ··· − 20.8270u − 6.03784
−0.832432u
11
− 0.448649u
10
+ ··· + 4.41081u + 0.135135
a
11
=
−2.07027u
11
− 2.20541u
10
+ ··· + 20.3568u + 5.25946
0.821622u
11
+ 0.232432u
10
+ ··· − 2.14054u + 0.643243
a
10
=
−1.88108u
11
− 2.02162u
10
+ ··· + 20.8270u + 6.03784
0.518919u
11
+ 0.378378u
10
+ ··· − 1.97297u + 0.637838
a
6
=
1.46486u
11
+ 2.49730u
10
+ ··· − 24.0216u − 6.27027
−0.637838u
11
− 0.356757u
10
+ ··· + 3.14595u − 0.675676
a
3
=
0.627027u
11
− 1.05946u
10
+ ··· + 7.52432u + 4.25405
0.432432u
11
+ 0.448649u
10
+ ··· − 3.41081u − 0.335135
a
9
=
−2.70811u
11
− 2.16216u
10
+ ··· + 23.7027u + 4.98378
0.329730u
11
− 0.00540541u
10
+ ··· + 0.956757u + 1.65946
(ii) Obstruction class = 1
(iii) Cusp Shapes =
117
185
u
11
+
24
37
u
10
+
608
185
u
9
+
593
185
u
8
+
1109
185
u
7
+
683
185
u
6
+
14
37
u
5
−
661
185
u
4
−
1488
185
u
3
−
337
37
u
2
−
252
37
u−
1024
185
11