Listing of https://docs.alexrp.com/21k/

1 21k.pdf 5.5M 1.8 days 3c16dcdf3a5b3a616c3df5706014c25b1d007952  
2 21k_plus.pdf 4.5M 1.8 days 0b47501e2191425df595142c3612334e48dab87e