output

INPUT LIST:
Segment starts: 1, ends: 10
Segment starts: 9, ends: 20
Segment starts: 30, ends: 50
Segment starts: 40, ends: 80
Segment starts: 82, ends: 100

OUTPUT LIST:
Segment starts: 1, ends: 20
Segment starts: 30, ends: 80
Segment starts: 82, ends: 100




INPUT LIST:
Segment starts: 0, ends: 10
Segment starts: 9, ends: 40
Segment starts: 20, ends: 30
Segment starts: 38, ends: 50
Segment starts: 60, ends: 70
Segment starts: 80, ends: 90
Segment starts: 85, ends: 100

OUTPUT LIST:
Segment starts: 0, ends: 50
Segment starts: 60, ends: 70
Segment starts: 80, ends: 100