What is the correct distance between the two most front rain holes/gapes in the rocker panel for a 65/66 car?

Picture 1 (driver side)
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Picture 2 (passenger side)
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I also noticed on aasesales.com that with a NOS rocker panel the left and right side is different in the distance between the 2 rain holes/gapes.
Is this maybe because there are for two difference modelyears?

left one: https://www.aasesales.com/collection...ts/rc4a-101456

right one : https://www.aasesales.com/collection...ts/rc4b-101455