0.0000000 1.7015547 a
1.7015547 2.4375000 s
2.4375000 3.1550000 a
3.1550000 3.8150000 s
3.8150000 4.4400000 s
4.4400000 5.0775000 a
5.0775000 5.6594453 s
5.6594453 6.3563047 s
6.3563047 7.0430156 a
7.0430156 7.8650391 s
