step 6 - red
step 6 - green
step 6 - clean
step 7 - red
step 7 - green
step 7 - clean
step 8 -  red
step 8 - green and clean
step 9 - red
step 9 - green
step 9 - clean
step 10 - red
step 10 - green and clean
step 10 - clean again

Signed-off-by: unknown <quynhtq@qs052.qsoft.com.vn>
step 11 - red
step 11 - green and clean