5 car -1 done by Carwash 0
5 car -2 done by Carwash 1
10 car -3 done by Carwash 0
10 car -4 done by Carwash 1
15 car 0 done by Carwash 0
15 car 1 done by Carwash 1
20 car 2 done by Carwash 0
20 car 3 done by Carwash 1
25 car 4 done by Carwash 0
25 car 5 done by Carwash 1
30 car 6 done by Carwash 0
30 car 7 done by Carwash 1
waitingCars ['10', '11', '12', '13', '14']
