put 100% on a blue bar
repeat {
blue bars transfer 50% of their total to same column red bars
red bars shift one place to the right
red bars give back 100% of their total to same column blue bars
}
put 100% on a blue bar
repeat {
blue bars transfer 50% of their total to same column red bars
red bars shift one place to the right
red bars give back 100% of their total to same column blue bars
}