tf_2-tf_1:1.0

tf_3-tf_2:81.0

tf_4-tf_3:0.0

tf_5-tf_4:0.0

tf_6-tf_5:0.0

tf_7-tf_6:0.0

tf_8-tf_7:0.0

tf_9-tf_8:171.0

tf_9-tf_1:253.0