II. I
u
2
= h5.94 × 10
106
u
69
+ 6.00 × 10
103
u
68
+ · · · + 2.96 × 10
103
b + 2.36 ×
10
107
, 6.46 × 10
107
u
69
+ 8.20 × 10
107
u
68
+ · · · + 2.96 × 10
103
a − 4.18 ×
10
107
, u
70
+ u
69
+ · · · + 4u − 1i
(i) Arc colorings
a
2
=
0
u
a
7
=
1
0
a
6
=
1
u
2
a
3
=
u
u
3
+ u
a
12
=
−21779.3u
69
− 27670.3u
68
+ ··· + 27602.9u + 14087.2
−2004.88u
69
− 2.02363u
68
+ ··· + 36537.1u − 7957.46
a
5
=
7748.66u
69
− 3853.34u
68
+ ··· − 177933.u + 44622.9
−3556.49u
69
− 8980.02u
68
+ ··· − 49423.9u + 17086.6
a
8
=
−6493.58u
69
+ 7743.33u
68
+ ··· + 191814.u − 49573.2
7.02904u
69
+ 11521.2u
68
+ ··· + 139274.u − 38825.4
a
11
=
−23784.2u
69
− 27672.3u
68
+ ··· + 64139.9u + 6129.77
−2004.88u
69
− 2.02363u
68
+ ··· + 36537.1u − 7957.46
a
4
=
13522.5u
69
+ 740.226u
68
+ ··· − 214173.u + 46565.3
−5906.22u
69
− 17538.2u
68
+ ··· − 115244.u + 37675.1
a
1
=
−10698.1u
69
+ 7339.12u
68
+ ··· + 271182.u − 65792.7
11334.4u
69
+ 12420.7u
68
+ ··· − 29169.2u − 2867.32
a
10
=
−17106.6u
69
− 8912.51u
68
+ ··· + 194116.u − 36615.3
2656.63u
69
+ 3213.94u
68
+ ··· + 1220.29u − 2819.00
a
9
=
−12371.5u
69
− 5450.55u
68
+ ··· + 155814.u − 30557.9
5851.23u
69
+ 5335.08u
68
+ ··· − 27254.3u + 1965.26
(ii) Obstruction class = 1
(iii) Cusp Shapes = 84853.1u
69
+ 87918.3u
68
+ ··· − 376170.u + 29127.9
28