First you need 12 different numbers, bet that 12 once with 0,10 per no. If win wait new 12 no. If lose bet once the last 12 splits with 0,50 per split. If win start again with the new 12 no. If lose bet once the last 14 splits with 3 units per split.
If win start with the 12 new no, if lose take the lose or go to next level.
0,10 x 12 no. 1,2. 2,4
0,50 x 12 spl. 7,8. 1,8
3. x 14 spl. 49,2. 4,8
Next level
Flat bet for 3 Ws. or stop at first L
Bet the last 14 splits with 5 u.
5 x 14 spl. 70. 20
Can bet for 3 Ws in row , or after W wait
2 new unhit split, then bet the last 14 spl
Also cover 0 with 1 or 2 u.
If lose here we have lost 119,2.
Take the lose or go to next level.
Next level( optional)
Flat bet for 4 Ws or stop at L
Last 14 splits
10 x 14 spl. 140. 40
Bet for 4 Ws in row , or wait between
wins two unhit splits and bet the last 14 spl. Cover 0 with 5u
Cheers