code: def go_in_grouping_b(self, s, min, max):
      while self.cursor > self.limit_backward:
          ch = ord(self.current[self.cursor - 1])
          if ch > max or ch < min:
              return True
          ch -= min
          if (s[ch >> 3] & (0x1 << (ch & 0x7))) == 0:
              return True
          self.cursor -= 1
      return False
  
label_desc: Use image node_id 8 for calling the BaseStemmer obj's underlying member method code with example usage: obj.go_in_grouping_b(s, min, max) and returns: False, True, True