Which number is better for underground parking 12 1 or 123?

Underground parking spaces 12 1 and 123 all have good meanings, depending on personal preference.

According to homonym, "12 1" is usually considered as the homonym of "love you", which is full of romantic love. "123" is a string of numbers that are often heard in daily life, and we can also regard it as the meaning of good luck and good weather.