code: def match_rsequence(self, tokens, item):
          
          front, series_type, matches = tokens
          self.add_check("_coconut.isinstance(" + item + ", _coconut.abc.Sequence)")
          self.add_check("_coconut.len(" + item + ") >= " + str(len(matches)))
          if front != wildcard:
              if len(matches):
                  splice = "[:" + str(-len(matches)) + "]"
              else:
                  splice = ""
              self.assign_to_series(front, series_type, item + splice)
          for i, match in enumerate(matches):
              self.match(match, item + "[" + str(i - len(matches)) + "]")
docs: Matches a reverse sequence.