path=srdata
sum=3

1 xxyy2x13a01.srd xxyy2x13a02.srd xxyy2x13a03.srd
2 xxyy2x13b01.srd xxyy2x13b02.srd xxyy2x13b03.srd xxyy2x13b04.srd xxyy2x13b05.srd xxyy2x13b06.srd xxyy2x13b07.srd xxyy2x13b08.srd
3 xxyy2x13c01.srd xxyy2x13c02.srd xxyy2x13c03.srd xxyy2x13c04.srd xxyy2x13c05.srd xxyy2x13c06.srd xxyy2x13c07.srd xxyy2x13c08.srd