II. I
u
2
=
h8.80×10
26
u
39
−1.15×10
27
u
38
+· · ·+7.83×10
24
b+6.82×10
26
, 3.10×10
27
u
39
−
4.03 × 10
27
u
38
+ · · · + 1.57 × 10
25
a + 2.39 × 10
27
, u
40
− 11u
38
+ · · · + 2u + 1i
(i) Arc colorings
a
2
=
1
0
a
7
=
0
u
a
3
=
1
−u
2
a
8
=
u
−u
3
+ u
a
10
=
−198.161u
39
+ 257.340u
38
+ ··· − 189.503u − 152.592
−112.384u
39
+ 146.373u
38
+ ··· − 104.131u − 87.1694
a
11
=
−85.7776u
39
+ 110.967u
38
+ ··· − 85.3718u − 65.4224
−112.384u
39
+ 146.373u
38
+ ··· − 104.131u − 87.1694
a
4
=
−27.0117u
39
+ 34.5709u
38
+ ··· − 15.5111u − 14.9920
366.337u
39
− 481.374u
38
+ ··· + 343.186u + 280.837
a
12
=
−383.226u
39
+ 500.717u
38
+ ··· − 367.520u − 292.885
100.565u
39
− 132.469u
38
+ ··· + 95.7729u + 75.1178
a
1
=
−287.526u
39
+ 388.585u
38
+ ··· − 291.596u − 231.470
672.260u
39
− 885.850u
38
+ ··· + 637.953u + 508.779
a
6
=
368.415u
39
− 479.619u
38
+ ··· + 345.052u + 279.655
259.056u
39
− 338.430u
38
+ ··· + 241.787u + 198.136
a
5
=
−824.624u
39
+ 1086.66u
38
+ ··· − 777.991u − 623.044
176.401u
39
− 228.868u
38
+ ··· + 159.288u + 136.809
a
9
=
557.142u
39
− 721.095u
38
+ ··· + 495.212u + 411.860
467.817u
39
− 612.671u
38
+ ··· + 435.884u + 352.534
(ii) Obstruction class = 1
(iii) Cusp Shapes
= −
44986684399660635698516854661
15658758159275251011365702
u
39
+
29489410211352808863632682782
7829379079637625505682851
u
38
+ ··· −
42491430590740029645550764887
15658758159275251011365702
u −
16980280580749417169886998014
7829379079637625505682851
21