restarts at none; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
restarts at 31; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
restarts at 0.5, 29.5, 59.5; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
restarts at 89.5, 91, 119.5; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
restarts at 120.5; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
restarts at 1, 2, 3, 4, 5, 31, 61, 91, 121; dm sends at 0, 30, 60, 90, 120; gave-up lines at 120
