Challenge 089

N2QgNmUgNzUgNjYgNWYgNzMgMzEgNWYgNjcgNmUgMzEgNzIgMzMgNjggNzAgMzEgNjMgMzMgNDQgN2IgNDcgNDEgNGMgNDY

}nuf_s1_gn1r3hp1c3D{GALF

反向书写

https://www.dcode.fr/reverse-writing

FLAG{D3c1ph3r1ng_1s_fun}