new grid
new 20
new 20 cat
new 1 10
new 2 1
new 401 2
new 2 401
new 20 10 RED
new 20 10 100 green
new 20 10 100 0 25.5
set red
set 2 red
new 3 5
display 
set -1 2
set 3 2
set 2 -1
set 2 5
set 2 2
set 2 2 255 0 0
brighten
brighten 2
brighten cat
brighten 2 1.5
brighten 3 2
brighten 2 5
darken 2
darken cat 1
darken 1 2.5
darken -1 2
darken 2 -1
setarea cat 2 2 2 255 0 0
setarea 2 5 2 5 255 0 0
setarea 2 2 1 5 255 0 0
setarea 2 4 2 3 255 0 0
setarea 2 2 3 3
setarea 2 2 2 3
brightenarea 0 2 1
brightenarea 0 2 1 6
brightenarea 2 2 1 3
darkenarea
darkenarea 1
darkenarea 1 1
darkenarea 1 1 1
darkenarea 1 1 1 5
darkenarea 1 1 1 0
darkenarea 1 1 1 4
display
quit