start of channel a
overflowfrom red
overflowto blue
overflow count 2 speed 100 from 1 to 90
overflowfrom yellow
overflowto ltblue
overflow count 2 speed 100 from 1 to 90
overflowfrom green
overflowto violet
overflow count 2 speed 100 from 1 to 90
end of channel a
start of channel b
overflowfrom red
overflowto blue
overflow count 2 speed 100 from 1 to 90
overflowfrom yellow
overflowto ltblue
overflow count 2 speed 100 from 1 to 90
overflowfrom green
overflowto violet
overflow count 2 speed 100 from 1 to 90
end of channel b