L2:IF(CURRBARSCOUNT<=CONST(SUMBARS(XG,2)+1),CONST(REF(L,SUMBARS(XG,2))),DRAWNULL),COLORYELLOW;
L3:IF(CURRBARSCOUNT<=CONST(SUMBARS(XG,3)+1),CONST(REF(L,SUMBARS(XG,3))),DRAWNULL),COLORYELLOW,LINETHICK2;