Model save

Training in progress, step 755 (part 2)

Training in progress, step 755

Training in progress, step 750 (part 3)

Training in progress, step 750 (part 2)

Training in progress, step 750

Training in progress, step 500 (part 3)

Training in progress, step 500 (part 2)

Training in progress, step 500

Training in progress, step 250 (part 2)

Training in progress, step 250

initial commit