#Pyth, 23 bytes

    sm@s+rG1U6i}RrG1_d2c3pz

### Explanation 

                          z      input string
                         p       print it without newline
                       c3        split into 3 parts
     m               d           for each part:
                    _              reverse
               }R                  map characters to being in
                 rG1                 uppercase alphabet
              i       2            parse list of bools as binary
      @                            get correct item of
       s+rG1U6                       uppercase alphabet + nums 0-5
    s                            concatenate and print

[Try it online.][try] [Test suite.][test]

[try]: http://pyth.herokuapp.com/?code=sm%40s%2BrG1U6i%7DRrG1_d2c3pz&input=a0RE000000IJmcN&debug=0
[test]: http://pyth.herokuapp.com/?code=sm%40s%2BrG1U6i%7DRrG1_d2c3pz&test_suite=1&test_suite_input=a01M00000062mPg%0A001M000000qfPyS%0Aa0FE000000D6r3F%0A0F9E000000092w2%0Aaaaaaaaaaaaaaaa%0AAbCdEfGhIjKlMnO&debug=0