UML multiplicity for specific requirements

I need to implement some multiplicity requirements to a UML of a java project.

The project involves a football league and, its teams and its fixtures. The multiplicity requirements are as follows:

Only one league must exist.

A league has 30 fixtures and 16 teams.

A match is played between 2 teams.

A fixture needs to have 8 matches.

Here is my take on multiplicity taking into acccount these requirements:

| League | 1 ---------- 30 | Fixtures |

| League | 1 ---------- 16 | Team |

| Fixture | 1 ---------- 8 | Match |

| Team |...

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By: StackOverFlow - Monday, 12 March

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