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|---|---|---|
 0001193125-22-018190-index-headers.html | 2022-01-26 14:56:09 | |
| 0001193125-22-018190-index.html | 2022-01-26 14:56:09 | |
| 0001193125-22-018190.txt | 2022-01-26 14:56:09 | |
 0001193125-22-018190-xbrl.zip | 549370 | 2022-01-26 14:56:09 |
| bf1-20220126.xsd | 5991 | 2022-01-26 14:56:09 |
| bf1-20220126_cal.xml | 4678 | 2022-01-26 14:56:09 |
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| d284514dex9910a.htm | 2005 | 2022-01-26 14:56:09 |
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| Financial_Report.xlsx | 27189 | 2022-01-26 14:56:09 |
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 g284514c000004049_dgf.jpg | 13852 | 2022-01-26 14:56:09 |
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 g284514img25dc45b31.gif | 2804 | 2022-01-26 14:56:09 |
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| R1.htm | 18219 | 2022-01-26 14:56:09 |
| R2.htm | 228327 | 2022-01-26 14:56:09 |
| R3.htm | 187462 | 2022-01-26 14:56:09 |
| report.css | 2767 | 2022-01-26 14:56:09 |
| Show.js | 1085 | 2022-01-26 14:56:09 |