go duel stake 200m easy 400m double. stake 50m x2 lose twice then stake 300m easy 600m double. stake 600 easy 1.2b double then stake 1.2b easy 2.4b double. stake 50m x4 lose 4 times then stake 2.2b easy 4.4b double. stake 4.4b easy 8x8b double. rinse and repeat
stop, sell 75% then repeat with 200m.