fix challenges: deceptive samples
fix challenges: deceptive samples

tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj,tttor/csipb-jamu-prj