A, B, C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds. After what time will they meet again at the starting point?
[A] 26 hours 18 seconds
[B] 42 hours 36 seconds
[C] 45 hours
[D] 46 hours 12 seconds
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