path=srdata
sum=3

1 xxyy2x15a01.srd xxyy2x15a02.srd xxyy2x15a03.srd
2 xxyy2x15b01.srd xxyy2x15b02.srd xxyy2x15b03.srd xxyy2x15b04.srd xxyy2x15b05.srd xxyy2x15b06.srd xxyy2x15b07.srd xxyy2x15b08.srd
3 xxyy2x15c01.srd xxyy2x15c02.srd xxyy2x15c03.srd xxyy2x15c04.srd xxyy2x15c05.srd xxyy2x15c06.srd xxyy2x15c07.srd xxyy2x15c08.srd xxyy2x15c09.srd xxyy2x15c10.srd xxyy2x15c11.srd