L2: if (currbarscout & lt = const (SUMBARS(XG, 2)+ 1), CONST(REF(L, sum bars (XG, 2)), DRAWNULL), COLORYELLOW.
L3:IF(CURRBARSCOUNT & lt; =CONST(SUMBARS(XG,3)+ 1),CONST(REF(L,SUMBARS(XG,3))),DRAWNULL),COLORYELLOW,LINETHICK2