Four Cars numbered as (C1, C2, C3 and C4) are participating in a car rally. They have to travel from P to Q then to R. After the race, the following is observed.(i) The digit in the car number and the order in which they depart or arrive at any point is not the same.(ii) The first car to leave P is the second car to reach R.(iii) The first car to reach R is the second car to leave P and the last car to reach Q.Which is the first car to leave P