II. I
u
2
= h350076u
17
+ 452234u
16
+ · · · + 2209b − 230492, −3.51 × 10
5
u
17
−
3.09 × 10
5
u
16
+ · · · + 2209a + 9.37 × 10
4
, 3u
18
+ 5u
17
+ · · · − 5u − 1i
(i) Arc colorings
a
7
=
0
u
a
10
=
1
0
a
11
=
1
−u
2
a
5
=
158.859u
17
+ 139.915u
16
+ ··· − 196.269u − 42.4015
−158.477u
17
− 204.723u
16
+ ··· + 319.438u + 104.342
a
8
=
u
−u
3
+ u
a
6
=
83.1322u
17
+ 49.3617u
16
+ ··· − 74.8253u − 4.14984
−208.029u
17
− 260.851u
16
+ ··· + 406.694u + 130.708
a
1
=
101.260u
17
+ 51.3617u
16
+ ··· − 89.6976u + 11.4246
−3u
17
− 2u
16
+ ··· + 3u + 2
a
4
=
0.381621u
17
− 64.8085u
16
+ ··· + 123.169u + 61.9407
−158.477u
17
− 204.723u
16
+ ··· + 319.438u + 104.342
a
3
=
46.9516u
17
+ 96.8298u
16
+ ··· − 144.304u − 53.2499
1.94749u
17
+ 13.4043u
16
+ ··· − 52.9461u − 25.5980
a
9
=
209.288u
17
+ 260.340u
16
+ ··· − 487.201u − 160.139
9.37211u
17
+ 3.53191u
16
+ ··· + 57.6700u + 23.4617
a
2
=
−215.627u
17
− 222.660u
16
+ ··· + 405.884u + 117.244
−85.9950u
17
− 63.7021u
16
+ ··· + 82.4518u + 0.203259
a
2
=
−215.627u
17
− 222.660u
16
+ ··· + 405.884u + 117.244
−85.9950u
17
− 63.7021u
16
+ ··· + 82.4518u + 0.203259
(ii) Obstruction class = 1
(iii) Cusp Shapes = −
2181624
2209
u
17
−
65819
47
u
16
+ ··· +
2035122
2209
u +
698331
2209
15