p2: PATH REFERENCE=all.pdb LAMBDA=69087    
p3: PATHMSD REFERENCE=all.pdb LAMBDA=69087 NEIGH_SIZE=8 NEIGH_STRIDE=5
PRINT ARG=p2.spath,p2.zpath,p3.sss,p3.zzz STRIDE=1 FILE=colvar FMT=%8.4f
DUMPDERIVATIVES ARG=p2.spath,p2.zpath,p3.sss,p3.zzz STRIDE=1 FILE=deriv FMT=%8.4f
