step 4 - red
step 4 - green and clean
step 5 - red
step 5 - green
step 5 - clean
step 5 - clean again
step 6 - red
step 6 - green
step 6 - clean
step 7 - red
step 7 - green
step 7 - clean
step 7 - clean again
step 7 - clean again
step 8 - in progress