A super efficient post-quantum signature scheme has been deployed. Can you forge a signature?

https://storage.googleapis.com/gctf-2020-attachments-project/e633255e7895ca953979e1f80f06dd6b833bc22146f8b20f1c144039f0b5be3d0a688b08ca6d937b980b75192504e13d6caeae1c99e59e5d0da18111a49c4ed1

https://quantumpyramids.web.ctfcompetition.com/