code: def stripes_and_swap_idx_to_columns(stripe0, stripe1, idx):
      i = 0
      for c0 in range(4):
          for c1 in range(4):
              if i == idx:
                  return stripe0 * 4 + c0, stripe1 * 4 + c1
              i += 1
      return None
  
file_path: apex/apex/contrib/sparsity/permutation_search_kernels/channel_swap.py
imports: from .permutation_utilities import *
label_desc: Use image node_id 2 for calling a global function with example usage: stripes_and_swap_idx_to_columns(stripe0, stripe1, idx) and returns: None, unknown,  unknown