[Collection]
Qty=5
System0=content/particle/long_chain_2_sys_0.ps
System1=content/particle/long_chain_2_sys_1.ps
System2=content/particle/long_chain_2_sys_2.ps
System3=content/particle/long_chain_2_sys_3.ps
System4=content/particle/long_chain_2_sys_4.ps
