User:Venkat TL/Who Started the Edit War

Who dunnit and when
Here is a Question. At what step the edit warring started in this example? And who started the edit war?
 * Step 1: adds something.
 * Step 2: reverts it.
 * Step 3: adds it again.
 * Step 4: reverts it again.
 * Step 5: adds it again.
 * Step 6: reverts it again.
 * Step 7: adds it again.
 * Step 8: reverts it again.
 * Step 9: adds it again.
 * Step 10: reverts it again.
 * Step 11: adds it again.
 * Step 12: reverts it again.