II. I
u
2
= h4u
9
− 38u
8
+ · · · + 185b − 243, −439u
9
− 177u
8
+ · · · + 185a +
1278, u
10
+ 8u
8
+ · · · − 6u + 1i
(i) Arc colorings
a
5
=
1
0
a
10
=
0
u
a
4
=
1
u
2
a
8
=
2.37297u
9
+ 0.956757u
8
+ ··· + 21.2811u − 6.90811
−0.0216216u
9
+ 0.205405u
8
+ ··· − 3.33514u + 1.31351
a
11
=
u
u
3
+ u
a
12
=
1.37297u
9
+ 0.956757u
8
+ ··· + 9.28108u − 0.908108
0.432432u
9
− 0.108108u
8
+ ··· + 8.70270u − 2.27027
a
3
=
−0.745946u
9
+ 0.0864865u
8
+ ··· − 7.56216u + 3.81622
0.745946u
9
− 0.0864865u
8
+ ··· + 7.56216u − 1.81622
a
7
=
2.37297u
9
+ 0.956757u
8
+ ··· + 21.2811u − 6.90811
0.389189u
9
+ 0.302703u
8
+ ··· + 0.0324324u + 0.356757
a
6
=
2.35135u
9
+ 1.16216u
8
+ ··· + 17.9459u − 5.59459
0.437838u
9
+ 0.340541u
8
+ ··· + 1.28649u + 0.151351
a
2
=
−3.11892u
9
− 0.870270u
8
+ ··· − 28.8432u + 9.72432
0.313514u
9
+ 0.0216216u
8
+ ··· + 0.859459u − 0.545946
a
1
=
−3.24324u
9
− 1.18919u
8
+ ··· − 29.2703u + 9.02703
−0.702703u
9
− 0.324324u
8
+ ··· − 2.89189u + 0.189189
a
9
=
−2.24324u
9
− 1.18919u
8
+ ··· − 17.2703u + 4.02703
−1.14054u
9
− 0.664865u
8
+ ··· − 6.17838u + 2.03784
(ii) Obstruction class = 1
(iii) Cusp Shapes
=
1244
185
u
9
+
577
185
u
8
+
10113
185
u
7
+
927
185
u
6
+
5147
37
u
5
−
5396
185
u
4
+
4552
37
u
3
−
2673
37
u
2
+
7997
185
u −
1943
185
6