Should be consists only positive numbers,
use minus one (-1) for missing value,
separated by coma, space or semi(,; ),
e.g.: 23, 432, 456, 341
For Lines (pairs):
Input data as x-axis and y-axis coordinates, e.g.: x1,y1, x2,y2, x3,y3
For Lines (pairs):
Input data as x-axis and y-axis coordinates, e.g.: x1,y1, x2,y2, x3,y3