Bet one corner in each dozen, where the 2 latest spin values in each dozen should not be touched by this corner-bet. That is, each quad is placed on a unhit area by the 2 latest spin values in each doz.
3 Quads
1 1 2 3 4 6 9 14 21 31 47
How many spins do you track before betting?
example: 17, 25, 3, 4, 2, 22, 34, 27 what would you bet and when would you start?