Study statistics: 
  Number of finished trials: 5
  Number of pruned trials: 0
  Number of complete trials: 5
Best trial:
  Value: 61.96913333333333
    KL_coef: 1.8315496783641165
    weight_decay: 0.01143488094540757

Study statistics: 
  Number of finished trials: 5
  Number of pruned trials: 0
  Number of complete trials: 5
Best trial:
  Value: 61.3782
    KL_coef: 0.5004586216959989
    weight_decay: 0.0007567081540976427

