A train 'D' departed from Lucknow at 7:00 PM, traveling at a speed of 66 km/h, and reached Kolkata. Meanwhile, Train 'C' left Kolkata at 9:00 PM on the same day, moving at a speed of 58 km/h, and headed towards Lucknow. The two trains met at 2:00 AM. Which of the following statements is accurate?
I. The time required for Train 'B', which travels at a speed of 47 km/h, to reach Kolkata from Lucknow is 'p hours.
II. After meeting, the difference in the distance covered by Train 'D' and Train 'C' in exactly 2 hours is 'q' km.
III. If Train 'C' maintained a constant speed for 12 hours, the distance it covered in that period is 'r' km less than the total distance between Lucknow and Kolkata.