Hi,
I wanted to make a graph with the following table (2 rows, 3 columns): 
a b c
x 1 3 5
y 5 8 6
The first column represents the start cordinate, and the second column contains the end cordinate for the x-axis. The third column contains the y-axis co-ordinate. For example, the first row in the matrix above represents the points (1,5),(2,5), (3,5). How would I go about making a discontinuous graph ?

thanks!


      
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