Input: Entrybars(6), Exitbars(4);
var: LE(0), LX(0), SE(0), SX(0);
le = highest(high, entrybars);
se = lowest(low, entrybars);
lx = lowest(low, exitbars);
sx = highest(high, exitbars);
buy next bar at le stop;
sell short next bar at se stop;
sell next bar at lx stop;
buy to cover...