I. I
u
1
= h−29u
5
+ 62u
4
+ · · · + 73b − 27, −15u
5
+ 22u
4
+ · · · + 73a − 19, u
6
−
2u
5
+ 8u
4
+ u
3
+ 7u
2
− u − 1i
(i) Arc colorings
a
2
=
1
0
a
9
=
0
u
a
3
=
1
u
2
a
7
=
0.205479u
5
− 0.301370u
4
+ ··· + 3.12329u + 0.260274
0.397260u
5
− 0.849315u
4
+ ··· + 2.43836u + 0.369863
a
4
=
0.260274u
5
− 0.315068u
4
+ ··· + 2.35616u + 1.86301
0.260274u
5
− 0.315068u
4
+ ··· + 2.35616u + 0.863014
a
1
=
−0.205479u
5
+ 0.301370u
4
+ ··· − 3.12329u − 0.260274
−0.452055u
5
+ 0.863014u
4
+ ··· − 2.67123u − 0.972603
a
6
=
−1
−0.260274u
5
+ 0.315068u
4
+ ··· − 2.35616u − 0.863014
a
5
=
−1
−0.260274u
5
+ 0.315068u
4
+ ··· − 2.35616u − 0.863014
a
8
=
u
0.205479u
5
− 0.301370u
4
+ ··· + 2.12329u + 0.260274
a
10
=
−0.657534u
5
+ 1.16438u
4
+ ··· − 5.79452u − 1.23288
−0.452055u
5
+ 0.863014u
4
+ ··· − 2.67123u − 0.972603
(ii) Obstruction class = −1
(iii) Cusp Shapes =
145
73
u
5
−
310
73
u
4
+
1165
73
u
3
+
85
73
u
2
+
744
73
u −
887
73
2