text: wH = 4  # 1
  wL = 4  # 2
  pc = wH - 1  # 3
  
  for x in range(0, wH + 1):
      for y in range(0, (wH * wL * 2)):
          if (y % (wH * 2) == pc or
                  y % (wH * 2) == wH + x):
              print("{:02d}".format(y), end="")
          else:
              print("  ", end="")  # single space
      pc -= 1
      print()
  
      """
  1) change value to increase/decrease the height of the wave
  2) change value to increase/decrease the length of the wave
  3) cond for printing
      """