step 1 - red
step 1 - green
step 1 - clean
step 2 - red
step 2 - green
step 2 - clean
step 3 - green and clean
step 4 - green and clean
step 5 - red
step 5 - green and clean
step 6 - red
step 6 - green and clean
step 7 - red
step 7 - green and clean
step 8 - red
step 8 - green and clean