7e3bb3ebb6a11e7b4e39bfd5901f9ed1a10ecdf5f73d7717f60d8457eb26a5ec  revperm_a1973m1n1.pdf
56752ec6817376b903eb61483745f422f8878a057e1087b8d46491d03ad81e43  revperm_a1973m12n2.pdf
152dfba6764a86c2d918fe47931f41ed6deac75168eeeb049a9ceb1bdc6f231e  revperm_a1974m3n3.pdf