Select way to play:
When one line hits, reset all lines.
Repeat progresssion on win, do not wait for other progressions to finish.
Remove line as it hits, and reset when all lines hit.

Use double 00 roulette table?

Select Lines to bet on (5:1 payout)
Line 1 [01-06]
Line 2 [07-12]
Line 3 [13-18]
Line 4 [19-24]
Line 5 [25-30]
Line 6 [31-36]