Started T3, T2, T1 (in that order). Execution order:
  latches:     [T1, T2, T3]
  join chain:  [T1, T2, T3]
Round robin, 3 threads, max=10:
  [worker-1:1, worker-2:2, worker-3:3, worker-1:4, worker-2:5, worker-3:6, worker-1:7, worker-2:8, worker-3:9, worker-1:10]