if close>ma6+2*mindiff and cross(ma1,ma6) then buy(holding=0,1,market);
if close<=ma6-2*mindiff and cross(ma6,ma1) then buyshort(holding=0,1,market);
if holding>0 and close<ma6-2*mindiff then sell(1,0,market);
if holding>0 and cross(ma3,ma2) and close>ma2 and close>ma3 then sell(1,0,market);
if holding<0 and close>=ma6+2*mindiff then sellshort(1,0,market);
if holding<0 and cross(ma2,ma3) and close<=ma2 and close<=ma3 then sellshort(1,0,market);
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