Introduction - If you have any usage issues, please Google them yourself
There are 12 rows in a square of 12 martial arts world, Shaolin, Wudang and Emei disciples three factions to dominate the martial arts and fighting each other. Martial arts world' s first line of a column grid coordinates are (1, 1), the coordinates of the first row and the second row (1, 2) ...... coordinates of the lower right corner (12, 12).