What is the room number of Xinyang Hong Xin Hotel?

Implement the principle of single and double-sided arrangement and eliminate "4" and "7".

1, performing single and double arrangement on each side. Usually when designing the hotel room number plate, the hotel logo is single room and double room. Even and odd numbers are staggered.

2. Go to the principle of "4" and "7". When sorting hotel room numbers, some people think that 4 and 7 are unlucky from "4" to "7".