HELP required :)

hi here is my latest results on jackpot247 using

14 x 0.25p bets   

betted on each spin 375 times in total     PLEASE note  FLAT BETTED ( 3.50 EACH SPIN)

total wins on straight up numbers was 140 spins

total spent 375 x 3.5 (14x0.25) = £1312.50

total spins won 140 x 9  = £1260

loss £52.5   

Question using the image can the kind folk on here make a suggestion on Any alternative method of betting apart from flat betting to reach a bigger profit e.g any progression which will suit these results. 

thanks in advance.




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