III. I
u
3
= h−8.72 × 10
22
a
11
u + 1.91 × 10
22
a
10
u + · · · + 4.42 × 10
24
a + 2.07 ×
10
24
, −a
11
u − 8a
10
u + · · · − 155a + 597, u
2
+ u − 1i
(i) Arc colorings
a
4
=
1
0
a
11
=
0
u
a
5
=
1
−u + 1
a
12
=
−u
−u + 1
a
6
=
u
u
a
9
=
a
0.0214307a
11
u − 0.00468444a
10
u + ··· − 1.08656a − 0.509744
a
1
=
−0.00917669a
11
u + 0.0325719a
10
u + ··· − 0.675635a − 3.24372
−0.00286472a
11
u + 0.00833889a
10
u + ··· + 0.562457a − 0.832737
a
3
=
0.00602071a
11
u − 0.0204554a
10
u + ··· + 0.0565892a + 1.03823
0.00946796a
11
u − 0.0363495a
10
u + ··· + 1.85714a + 2.61648
a
2
=
−0.00631197a
11
u + 0.0242330a
10
u + ··· − 1.23809a − 2.41098
−0.00286472a
11
u + 0.00833889a
10
u + ··· + 0.562457a − 0.832737
a
8
=
−0.0535869a
11
u + 0.00623328a
10
u + ··· + 5.66354a − 0.143400
−0.0643124a
11
u + 0.00309767a
10
u + ··· + 7.15396a − 1.30629
a
7
=
−0.0183450a
11
u + 0.214734a
10
u + ··· + 1.71015a − 3.10299
−0.00922299a
11
u + 0.168170a
10
u + ··· + 1.41669a − 2.28054
a
10
=
0.107560a
11
u − 0.0410873a
10
u + ··· − 1.69236a − 2.46606
0.0907209a
11
u − 0.0394227a
10
u + ··· − 1.61846a − 0.543159
(ii) Obstruction class = −1
(iii) Cusp Shapes = −
133284116432454129908660
4068027487962543539939429
a
11
u +
1093266323961776835486728
4068027487962543539939429
a
10
u +
··· +
9514250227401971513320248
4068027487962543539939429
a −
32385451624456899956132574
4068027487962543539939429
14