Author:            Jonathan Harston
Category:          Christmas Challenge
System:            Any system that can run BBC BASIC
Language:          BBC BASIC
Source length:     448 bytes
File length:       448 bytes
Executable length: 448 bytes

Instructions:
On any system that can run BBC BASIC, CHAIN "xmas2023a".

Description:
A very simple solution, simply printing one of the four different lines that
make up the pattern, within a loop for the whole 19 lines. The images show
the program running on a BBC, Windows, UKNC/Electronica, and Commodore 64.