REVISION DATE: 29-Nov-2017 16:24:16

The graphs below show how I defined the tracks. Grey/green patches are what is averaged for each track.

 
Track pixels: 
Track:  1       2       3       4       5       6       7       8       9      10      11      12      13      14
Left:   1      79     154     228     300     373     444     517     588     660     732     804     878     953
Right:  78     153     227     299     372     443     516     587     659     731     803     876     951    1025

Figure 1

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