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*Please note that these are only examples. Your proof may look any way you choose. The examples are to give you ideas
 
 
proof
 
Example 01 Example 16
Example 02 Example 17
Example 03 Example 18
Example 04 Example 19
Example 05 Example 20
Example 06 Example 21
Example 07 Example 22
Example 08 Example 23
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