4-6     *     skip         # date,version

9-$     1     rel=1e-3     # coefs column
144     1     rel=2e-3
258     1     rel=2e-3
282     1     rel=5e-3
295     1     rel=5e-3
300     1     rel=2e-3
589     1     rel=2e-3
620     1     rel=2e-3
635     1     rel=2e-3