input segments
2/10 7/10 11/10 38/10
1/10 48/10 17/10 41/10
99/100 799/100 499/100 99/100

the output
Polyline number 1:
    (0.5:0.5)
    (1.5:3.5)

Polyline number 2:
    (0.5:4.5)
    (1.5:4.5)

Polyline number 3:
    (0.5:7.5)
    (1.5:4.5)
    (1.5:3.5)
    (4.5:0.5)


testing sr
Polyline number 1:
    (0.5:0.5)
    (1.5:3.5)

Polyline number 2:
    (0.5:4.5)
    (1.5:4.5)

Polyline number 3:
    (0.5:7.5)
    (4.5:0.5)

