Divide the carpet into four parts.
Bet the lastest 3 hit parts with streets. This way, manytimes the last part become a sleeper
Flatbet or +1 progression
I did try that when trying variations on Quad cycle from Turner in a bid to make it fast. Few tests revealed that you land in deep south, pretty soon. You are working on betting 27 numbers and it is very hard to recover from losses
ok