Note:
UIFlow 1.0
I am using the screen horizontally.
960 pixels total (Y)
6 buttons, 125 pixels
30 pixels spacing

from m5stack import *
from m5ui import *
from uiflow import *


setScreenColor(15)


Ynext = None
Counter = None




from numbers import Number


def upRange(start, stop, step):
  while start <= stop:
    yield start
    start += abs(step)

def downRange(start, stop, step):
  while start >= stop:
    yield start
    start -= abs(step)



Ynext = 0
Counter = 0
Ynext_end = float(960 - (125 + 30))
Ynext_inc = float(125 + 30)
for Ynext in (30 <= Ynext_end) and upRange(30, Ynext_end, Ynext_inc) or downRange(30, Ynext_end, Ynext_inc):
  lcd.rect(380, int(Ynext), 125, 125, color=0)
Ynext_end2 = float(960 - (125 + 30))
Ynext_inc2 = float(125 + 30)
for Ynext in (54 <= Ynext_end2) and upRange(54, Ynext_end2, Ynext_inc2) or downRange(54, Ynext_end2, Ynext_inc2):
  Counter = (Counter if isinstance(Counter, Number) else 0) + 1
  lcd.font(lcd.FONT_DejaVu40)
  lcd.print(((str('AC') + str(Counter))), 470, int(Ynext), 0, rotate=90)
lcd.show()