creating a chart with x-coordinates in different columns

Hello VBA'liens,
I want to create a chart with 3 lines, whereas the 1st has it's y-coordinate
in column A and its x-coordinate in column B, the 2nd line has its y-coordinate in column C and its X-coordinate in column E, the 3rd line has its y-coordinate in column D and its X-coordinate also in column E.
Line 1 has 30 coordinates, Line 2 and 3 have 10 coordinates.
this is my code!

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I hope you understood my problem, excuse my bad English.
Hopefully someone knows the answer...

Best regards,
Mux

Hello again VBA'liens,
since nobody knows the answer to my question, I believe I didn't explain my problem correctly or there is just no way to solve the problem!?
Does at least anyone know an official referenz for VBA excel-chart-creation?
Something like the Java API. I must solve this problem its my last day of work :-).

Best Regards,
Mux08