 2 bits gray
 2 bits gray
 2 bits gray + alpha
 2 bits gray + alpha
 8 bits gray
 8 bits gray
 8 bits gray + alpha
 8 bits gray + alpha
 3x4 bits color
 3x4 bits color
 3x4 bits color + alpha
 3x4 bits color + alpha
 3x8 bits color
 3x8 bits color
 3x8 bits color + alpha
 3x8 bits color + alpha
 Willem van Schaik, Singapore, May 1996
Willem van Schaik, Singapore, May 1996
 http://mht3.gintic.ntu.ac.sg:8000/WWWillem.html
http://mht3.gintic.ntu.ac.sg:8000/WWWillem.html
