II.
I
u
2
= h−6.41×10
90
u
40
−1.89×10
91
u
39
+· · ·+3.55×10
91
b+6.33×10
91
, 3.87×
10
90
u
40
+1.38×10
91
u
39
+· · ·+5.07×10
90
a+2.21×10
90
, u
41
+4u
40
+· · ·+8u+1i
(i) Arc colorings
a
3
=
1
0
a
10
=
0
u
a
4
=
1
−u
2
a
7
=
−0.763979u
40
− 2.71975u
39
+ ··· − 5.05847u − 0.435494
0.180672u
40
+ 0.532797u
39
+ ··· − 4.35985u − 1.78457
a
8
=
−0.583308u
40
− 2.18695u
39
+ ··· − 9.41832u − 2.22006
0.180672u
40
+ 0.532797u
39
+ ··· − 4.35985u − 1.78457
a
2
=
0.493136u
40
+ 1.80281u
39
+ ··· + 12.0580u + 1.94930
−0.250054u
40
− 0.726703u
39
+ ··· − 5.18045u + 1.23710
a
11
=
−0.322186u
40
− 1.29954u
39
+ ··· − 7.71395u − 0.780577
−0.184764u
40
− 0.784460u
39
+ ··· − 3.72762u − 1.41781
a
5
=
0.0449115u
40
− 0.0648536u
39
+ ··· + 2.25221u + 1.15905
0.205611u
40
+ 0.654268u
39
+ ··· + 1.96948u + 1.24059
a
1
=
0.236336u
40
+ 1.09068u
39
+ ··· + 7.74230u + 3.35613
−0.0930975u
40
− 0.110825u
39
+ ··· − 2.91670u + 1.55217
a
9
=
−0.0446578u
40
− 0.498544u
39
+ ··· − 6.20282u − 2.11052
0.497668u
40
+ 1.54471u
39
+ ··· + 4.22623u − 0.242844
a
12
=
0.462813u
40
+ 1.75922u
39
+ ··· + 3.27199u + 1.22909
0.394878u
40
+ 1.51216u
39
+ ··· + 3.93208u + 0.327294
a
6
=
−0.504817u
40
− 1.91641u
39
+ ··· − 15.4310u − 2.78430
0.000614494u
40
− 0.162058u
39
+ ··· − 11.4524u − 2.27283
(ii) Obstruction class = 1
(iii) Cusp Shapes = 13.0566u
40
+ 48.8251u
39
+ ··· + 201.006u + 16.0619
23