10 1 new_person 1
20 1 new_person 2
30 1 new_person 3
40 1 new_person 4
45 1 ready_for_next -1
50 1 new_person 5
55 1 ready_for_next -1
60 1 ready_for_next -1
70 1 ready_for_next -1
80 1 ready_for_next -1
90 1 ready_for_next -1
110 1 new_person 6
120 1 new_person 7