Consider the circuit given below with initial state $Q_0=1, Q_1=Q_2=0$. The state of the circuit is given by the value $4Q_2+2Q_1+Q_0$
Which one of the following is correct state sequence of the circuit?
- $1, 3, 4, 6, 7, 5, 2$
- $1, 2, 5, 3, 7, 6, 4$
- $1, 2, 7, 3, 5, 6, 4$
- $1, 6, 5, 7, 2, 3, 4$