What does it mean if someone has high blood HDL Cholesterol and low LDL Cholesterol levels?

Here are the exact lipogram (or whatever they call it) results:

S. Cholesterol: 146 mg/dL (Normal level: up to 200 mg/dL)

S. Triglycerides: 99.7 mg/dL (Normal level: 60 to 165 mg/dL)

HDL Cholesterol: 69 mg/dL (Normal level: 41 to 58 mg/dL)

LDL Cholesterol 57 mg/dL (Normal level: 60 to 166 mg/dL)

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This is for a 24 years old male by the way.

Thanks in advance! =]

These are SUPER good numbers. HDL is 'Good' cholesterol, you want to be over 40 on this one. Your HDL is SUPER high for a male.

LDL is 'Bad' cholesterol. You want to be ideally below 100 on this one. Your LDL is SUPER low.

Yoru Triglycerides are fine.

Your ration of total cholester divided by good cholesterol is 2.12. You want to be below 4. Again, this is a SUPER number