private _bluforIn1stArea = {(_x inArea "FirstMarker") && {side _x == BLUFOR}} count ([] call CBA_fnc_players);
private _bluforIn2ndArea = {(_x inArea "SecondMarker") && {side _x == BLUFOR}} count ([] call CBA_fnc_players);
private _bluforIn3rdArea = {(_x inArea "ThirdMarker") && {side _x == BLUFOR}} count ([] call CBA_fnc_players);

private _maxIndex = [_bluforIn1stArea,_bluforIn2ndArea,_bluforIn3rdArea] call CBA_fnc_findMax;
private _destMarker = ["FirstMarker","SecondMarker","ThirdMarker"] select _maxIndex;