+C 3/26/20 Interaction lists
+ integer newcontlisti(200*maxres),newcontlistj(200*maxres),
+ & newcontlistppi(200*maxres),newcontlistppj(200*maxres),
+ & newcontlistscpi(200*maxres),newcontlistscpj(200*maxres),
+ & g_listscsc_start,g_listscsc_end,g_listpp_start,g_listpp_end,
+ & g_listscp_start,g_listscp_end
+ common /interact_list/newcontlisti,newcontlistj,g_listscsc_start,
+ & g_listscsc_end,newcontlistppi,newcontlistppj,g_listpp_start,
+ & g_listpp_end,newcontlistscpi,newcontlistscpj,g_listscp_start,
+ & g_listscp_end