code: def rotate_every_two_v2(x):
      x1 = x[:, :, :, ::2]
      x2 = x[:, :, :, 1::2]
  
      x = jnp.stack((-x2, x1), axis=-1)
  
      return rearrange(x, "... d j -> ... (d j)")
  
imports: import haiku
  import jax
  import jax.numpy
  import numpy
  from einops import rearrange, repeat
  from mesh_transformer.util import f_psum, g_psum, maybe_shard, head_print
  from jax.experimental import PartitionSpec
  from jax.experimental.maps import thread_resources
label_desc: Use image node_id 5 for calling a global function with example usage: rotate_every_two_v2(x) and returns: rearrange