nc 159.89.22.33 9999
- decode brainfuck
++++++++++[>+>+++>+++++++>++++++++++<<<<-]>>>>++++++++++++++++.------------.-------.+++++++++++++++++++.<<++.>>+++.---------------.-------.+++++++++++++++++++.<<.>>-------------------.+++++++++++++++++.-------------.<<.>>++++++++++++++++++++.----------.++++++.<<.>>---------.+++..----.--.+++++.-------.<<.>>-.+++++++++.+++.<<.>>---------.++++++++++.<<.>>----------.+++++.<<.>>-----------.++.+++++++..<<.>------------------.----.<+.
-> that what are you looking for is in cell 40!
python -c 'print ">"*41 +".>"*70' | nc 159.89.22.33 9999
FLAG:
AFFCTF{!s_th!s_th3_r3@l_l!f3__or__!s_th!s_just_f@nt@sy___}