0.0000000 0.5450000 a
0.5450000 1.4175000 s
1.4175000 2.1575000 s
2.1575000 2.8100000 s
2.8100000 3.5375000 s
3.5375000 4.2650000 s
4.2650000 5.0350000 s
5.0350000 5.8150000 s
5.8150000 6.5250000 s
6.5250000 7.2850000 s
7.2850000 8.0500000 s
