path=srdata
sum=3

1 xxyy2s01a01.srd xxyy2s01a02.srd xxyy2s01a03.srd xxyy2s01a04.srd
2 xxyy2s01b01.srd xxyy2s01b02.srd xxyy2s01b03.srd xxyy2s01b04.srd xxyy2s01b05.srd xxyy2s01b06.srd xxyy2s01b07.srd
3 xxyy2s01c01.srd xxyy2s01c02.srd xxyy2s01c03.srd xxyy2s01c04.srd xxyy2s01c05.srd xxyy2s01c06.srd