png 40 40 hw1tric.png

xyrgb  2.2  2.3   255 0 0
xyc   10.4 39.5   #00ff00
xyrgb 20.6 20.7   0 0 0

tric 1 2 3 #2222ff

xyrgb 11.4  39.5   255   0   0
xyc   21.1  20.2   #0000ff
xyrgb 39.8  20.2   0 0 0

tric 4 5 6 #ff7700