Enqueuing: 0
Enqueuing: 1
Enqueuing: 2
Enqueuing: 3
Enqueuing: 4
Enqueuing: 5
Enqueuing: 6
FIFO is full
Dequeuing: 0
Dequeuing: 1
Dequeuing: 2
Dequeuing: 3
Dequeuing: 4
Dequeuing: 5
Dequeuing: 6
Done