Alpha Numeric Outline of your required paper
This is the most common type of outline and usually instantly recognizable to most people. The formatting follows these characters, in this order:
If the outline needs to subdivide beyond these divisions, use Arabic numerals inside parentheses and then lowercase letters inside parentheses.
https://owl.english.purdue.edu/media/pdf/20081113013048_544.pdf if you need to review alpha numeric outlines.
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