Well now, time will tell, so the wise will say, is this the grail? ha ha.. ;D very close, in any case,...
Trigger: Wait until a hit in column 1 or 3; -Now you place a quad within that particular doublestreet hit in column 1 or 3, (at the 2 unhit columns) also put 1u on the opposite High/Low. Spin until hit. When hit, look for a new trigger.
For an example
number 1 hits, (trigger) now you bet 1u at Quad 2/6. (You also bet 1u on HIGH).
number 15 hits (trigger) now you bet 1u at Quad 13/17. (You also bet 1u on HIGH).
Progression: Double bets after each 2 losses in a row.
Bankroll needed: 200-300u playing with 1u bets.
oh hell, oh well... that was quick.
Either you have a tight stoploss and call it a loss Or you have a 1000u bankroll :S