II.
I
u
2
= h3.10 × 10
24
u
33
− 6.93 × 10
24
u
32
+ · · · + 3.33 × 10
25
b + 3.58 × 10
25
, 2.35 ×
10
26
u
33
−6.50×10
26
u
32
+· · ·+1.00×10
26
a−2.61×10
26
, u
34
−3u
33
+· · ·−8u+1i
(i) Arc colorings
a
5
=
1
0
a
10
=
0
u
a
2
=
−2.34917u
33
+ 6.49629u
32
+ ··· − 50.6654u + 2.61056
−0.0931366u
33
+ 0.207827u
32
+ ··· − 1.02591u − 1.07493
a
6
=
1
u
2
a
7
=
1.80446u
33
− 4.85974u
32
+ ··· + 35.4986u + 5.80588
−0.547249u
33
+ 1.50787u
32
+ ··· − 10.1466u + 3.14923
a
1
=
−2.44231u
33
+ 6.70412u
32
+ ··· − 51.6914u + 1.53563
−0.0931366u
33
+ 0.207827u
32
+ ··· − 1.02591u − 1.07493
a
4
=
−1.62724u
33
+ 4.23174u
32
+ ··· − 36.5972u − 2.57013
0.387178u
33
− 1.14075u
32
+ ··· + 6.79493u − 2.47847
a
11
=
−6.82156u
33
+ 19.3458u
32
+ ··· − 168.898u + 23.4185
−0.665031u
33
+ 1.70903u
32
+ ··· − 14.3783u + 0.0625691
a
9
=
u
u
3
+ u
a
3
=
−2.38071u
33
+ 6.62892u
32
+ ··· − 52.8462u + 3.16664
−0.184318u
33
+ 0.472228u
32
+ ··· − 2.87104u − 0.556871
a
8
=
3.10781u
33
− 9.19499u
32
+ ··· + 80.6634u − 20.0540
0.711601u
33
− 2.04963u
32
+ ··· + 16.6163u − 2.48121
a
8
=
3.10781u
33
− 9.19499u
32
+ ··· + 80.6634u − 20.0540
0.711601u
33
− 2.04963u
32
+ ··· + 16.6163u − 2.48121
(ii) Obstruction class = −1
(iii) Cusp Shapes =
329386817640951833156384
33327817435778056897064479
u
33
−
1321103863894582732541256
33327817435778056897064479
u
32
+
··· +
51178462521615883220395704
33327817435778056897064479
u −
330114933742480117666720250
33327817435778056897064479
8