code: def pairwise_other_frame():
      """Pairwise other frame for test_pairwise"""
      return DataFrame(
          [[None, 1, 1], [None, 1, 2], [None, 3, 2], [None, 8, 1]],
          columns=["Y", "Z", "X"],
      )
  
imports: import numpy
  import pytest
  from pandas.compat import IS64
  from pandas import DataFrame, Index, MultiIndex, Series, date_range
  import pandas._testing
  from pandas.core.algorithms import safe_sort
label_desc: Use image node_id 3 for calling a global function with example usage: pairwise_other_frame() and returns: DataFrame