Загрузка данных

if wall_from_left() and wall_from_right():
    move_down()
    if wall_from_left() and wall_from_down():
        fill_cell()
        move_right()
        move_up()
        fill_cell()
        move_down()
    if wall_from_right() and wall_from_down():
        move_up()
        fill_cell()
        move_down()
        move_left()
        fill_cell()
        move_right()
if wall_from_left() and wall_from_down():
        fill_cell()
        move_right()
        move_up()
        fill_cell()
        move_down()
if wall_from_right() and wall_from_down():
        move_up()
        fill_cell()
        move_down()
        move_left()
        fill_cell()
        move_right()