SP9046 HANDS - Clock Hands

The minute hand and hour hand love each other. The ‘Second’ hand is a spy who wants to keep track on how many times they pass over each other in a given interval on a day. Help the second hand. **Input** First line contains the number of test cases t. Each test case has two lines representing the start time and end time respectively. The time would be in format (hh:mm). hh will be between 00 and 23, mm will be between 00 and 59. If the minute and hour hand are overlapping right at the start time (like at 12:00) then it would **not be counted**. (00:00

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