diff --git a/lmtoy/runs.py b/lmtoy/runs.py
index c59075f..e343953 100644
--- a/lmtoy/runs.py
+++ b/lmtoy/runs.py
@@ -16,7 +16,7 @@
 import os
 import sys
 
-_version = "3-nov-2024"
+_version = "19-nov-2024"
 
 def pix_list(pl):
     """ convert a strong like "-0,-1" to proper pixlist by removing
@@ -146,6 +146,9 @@ def mk_runs(project, on, pars1, pars2, pars3=None, argv=None):
        pars1,2,3  - SLpipeline parameters for this tier-1,2,3 run (called a,b,c)
        argv       - optional for CLI
     """
+    io = "TBD"
+    o_min = -1
+    o_max = -1
 
     if argv != None:
         if len(argv) > 1:
@@ -157,6 +160,7 @@ def mk_runs(project, on, pars1, pars2, pars3=None, argv=None):
                 print("  -c    produce a config/obsnum list [takes time]")
                 print("  -b    show all failed obsnums")
                 print("  -B    show all failed obsnums and add the word QAFAIL for comments.txt")
+                print("  -io   TBD")
                 sys.exit(0)
             elif argv[1] == '-o':
                 for s in on.keys():
@@ -234,12 +238,12 @@ def mk_runs(project, on, pars1, pars2, pars3=None, argv=None):
             o = abs(o1)
             os = repr(o)
             if s in pars1:
-                cmd1[0] = "SLpipeline.sh obsnum=%d _s=%s %s restart=1 " % (o,s,pars1[s])
+                cmd1[0] = "SLpipeline.sh obsnum=%d _io=%s _s=%s %s restart=1 " % (o,io,s,pars1[s])
             if s in pars2:
-                cmd1[1] = "SLpipeline.sh obsnum=%d _s=%s %s %s" % (o,s,pars2[s], getargs(os,pars4))
+                cmd1[1] = "SLpipeline.sh obsnum=%d _io=%s _s=%s %s %s" % (o,io,s,pars2[s], getargs(os,pars4))
             if pars3 != None and s in pars3:
-                cmd1[2]  = "SLpipeline.sh obsnum=%d _s=%s %s %s" % (o,s, pars3[s], getargs(os,pars5))
-            cmd1[3] = "SLpipeline.sh obsnum=%d _s=%s archive=1" % (o,s)
+                cmd1[2]  = "SLpipeline.sh obsnum=%d _io=%s _s=%s %s %s" % (o,io,s, pars3[s], getargs(os,pars5))
+            cmd1[3] = "SLpipeline.sh obsnum=%d _io=%s _s=%s archive=1" % (o,io,s)
             for i in range(4):
                 if len(cmd1[i]) > 0:  fp1[i].write("%s\n" % cmd1[i])
             n1 = n1 + 1
@@ -266,12 +270,12 @@ def mk_runs(project, on, pars1, pars2, pars3=None, argv=None):
         cmd2 = ["" for i in range(4)]
         
         if s in pars1:
-            cmd2[0] = "SLpipeline.sh _s=%s admit=0 restart=1 obsnums=%s" % (s, obsnums)
+            cmd2[0] = "SLpipeline.sh _io=%s _s=%s admit=0 restart=1 obsnums=%s" % (io, s, obsnums)
         if s in pars2:
-            cmd2[1] = "SLpipeline.sh _s=%s admit=1 srdp=1    obsnums=%s %s" % (s, obsnums, getargs(o_o,pars4))
+            cmd2[1] = "SLpipeline.sh _io=%s _s=%s admit=1 srdp=1    obsnums=%s %s" % (io, s, obsnums, getargs(o_o,pars4))
         if pars3 != None and s in pars3:
-            cmd2[2] = "SLpipeline.sh _s=%s admit=1 srdp=1    obsnums=%s %s" % (s, obsnums, getargs(o_o,pars5))
-        cmd2[3] = "SLpipeline.sh obsnums=%s _s=%s archive=1" % (obsnums,s)    
+            cmd2[2] = "SLpipeline.sh _io=%s _s=%s admit=1 srdp=1    obsnums=%s %s" % (io, s, obsnums, getargs(o_o,pars5))
+        cmd2[3] = "SLpipeline.sh obsnums=%s _io=%s _s=%s archive=1" % (obsnums,io,s)    
         for i in range(4):
             if len(cmd2[i]) > 0:  fp2[i].write("%s\n" % cmd2[i])
         n2 = n2 + 1
@@ -284,4 +288,10 @@ def mk_runs(project, on, pars1, pars2, pars3=None, argv=None):
     print(run1c)
     print(run2c)
     print("Where there are %d single obsnum runs, and %d combination obsnums" % (n1,n2))
+    obsnums=[]
+    for s in on.keys():
+        for o1 in on[s]:
+            obsnums.append(abs(o1))
+    obsnums.sort()
+    print("First and last obsnum are %d and %d" %  (obsnums[0], obsnums[-1]))
     print("Also note the archiving runs (run1x and run2x) when QA is done")