webpbn.org #23: Nonrepresentational Test Pattern Copyright 2004 by Jan Wolter #d 0: #FFFFFF white g:X #000000 black : rows 1g 3g 1g 2g 1g 3g 3g 1g 2g 2g 4g : columns 1g 3g 1g 2g 2g 2g 4g 1g 3g 3g 1g