<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def img2img_transformer2d_q3():
 """Current best hparams for local 2d."""

  hparams = img2img_transformer2d_q1()
  hparams.batch_size = 2
  hparams.query_shape = (8, 16)
  hparams.memory_flange = (8, 32)
  return hparams