CLOCK: 0
chef Adam is cooking, duration: 42 customer token #2
CLOCK: 1
chef Bob is cooking, duration: 32 customer token #6
CLOCK: 2
chef Charlie is cooking, duration: 7 customer token #8
Customer 8 has been served at 9.
CLOCK: 10
chef Charlie is cooking, duration: 22 customer token #4
Customer 4 has been served at 32.
CLOCK: 33
chef Charlie is cooking, duration: 42 customer token #10
Customer 6 has been served at 33.
Customer 2 has been served at 42.
Customer 10 has been served at 75.