Study statistics: 
  Number of finished trials: 5
  Number of pruned trials: 0
  Number of complete trials: 5
Best trial:
  Value: 64.09923333333334
    KL2_coef: 0.45956996288690627
    weight_decay: 0.0014012172971800622

Study statistics: 
  Number of finished trials: 5
  Number of pruned trials: 0
  Number of complete trials: 5
Best trial:
  Value: 66.98049999999999
    KL2_coef: 0.4480703069997967
    weight_decay: 0.000557144331270449

