Computer Programming Contest Preparation

    1 The nicest part of route 1 is between stops 1 and 4
    2 The nicest part of route 2 is between stops 3 and 5
    3 The nicest part of route 3 is between stops 1 and 2
    4 The nicest part of route 4 is between stops 2 and 4
    5 The nicest part of route 5 is between stops 1 and 4
    6 The nicest part of route 6 is between stops 5 and 6
    7 The nicest part of route 7 is between stops 2 and 6
    8 The nicest part of route 8 is between stops 1 and 10
    9 The nicest part of route 9 is between stops 3 and 8
   10 The nicest part of route 10 is between stops 2 and 3