Bijections, surjections, and injections are three types of functions which associate the elements between two sets. For example, each word in this sentence can be mapped to exactly one in the last.

**Note:** All cuts must be distinct straight lines from one point on the edge of the pizza to another point on the edge of the pizza.

**Note:** All cuts must be distinct straight lines from one point on the edge of the pizza to another point on the edge of the pizza.

**Note:** All cuts must be distinct straight lines from one point on the edge of the pizza to another point on the edge of the pizza.

**Note:** All cuts must be distinct straight lines from one point on the edge of the pizza to another point on the edge of the pizza.

**Note:** All cuts must be distinct straight lines from one point on the edge of the pizza to another point on the edge of the pizza.

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