II.
I
u
2
= h−5.26×10
26
u
39
−1.81×10
27
u
38
+· · ·+2.28×10
25
b+8.10×10
26
, −1.64×
10
27
u
39
−6.97×10
27
u
38
+· · ·+2.28×10
25
a−9.46×10
26
, u
40
+4u
39
+· · ·−3u+1i
(i) Arc colorings
a
7
=
1
0
a
11
=
0
u
a
8
=
1
u
2
a
4
=
71.6927u
39
+ 304.968u
38
+ ··· + 113.975u + 41.4180
23.0347u
39
+ 79.4314u
38
+ ··· + 109.874u − 35.4675
a
12
=
−u
u
a
5
=
100.796u
39
+ 423.820u
38
+ ··· + 192.234u + 46.9073
−6.06818u
39
− 39.4214u
38
+ ··· + 31.6145u − 40.9568
a
3
=
110.031u
39
+ 449.316u
38
+ ··· + 240.952u + 24.1471
6.45267u
39
+ 15.4222u
38
+ ··· + 44.5190u − 26.4620
a
10
=
22.1557u
39
+ 78.3082u
38
+ ··· + 77.2236u − 14.4993
−15.0063u
39
− 56.8324u
38
+ ··· − 46.1735u + 9.55384
a
1
=
−25.9099u
39
− 76.3397u
38
+ ··· − 183.151u + 45.4235
12.0462u
39
+ 35.2174u
38
+ ··· + 83.2736u − 26.4760
a
2
=
−20.2386u
39
− 67.8077u
38
+ ··· − 372.911u + 101.042
5.36737u
39
+ 25.9113u
38
+ ··· − 119.655u + 50.0139
a
6
=
−145.176u
39
− 597.572u
38
+ ··· − 217.380u − 56.6715
5.10195u
39
+ 20.5067u
38
+ ··· + 66.6211u − 18.0169
a
9
=
15.6404u
39
+ 41.5610u
38
+ ··· + 139.695u − 29.1116
−6.31480u
39
− 14.4225u
38
+ ··· − 19.1735u + 16.1019
(ii) Obstruction class = 1
(iii) Cusp Shapes
= −
4275439336960499087481789679
22846217303103999900546823
u
39
−
17311858406485508666429995194
22846217303103999900546823
u
38
+ ··· −
20103483432536956955833173738
22846217303103999900546823
u +
2478173696883441897957024917
22846217303103999900546823
22