②:DRAWLINE(C2,H,B2,H,1),COLORCC6633; ③:IF(A1,PEAK(1,N,1),DRAWNULL),COLORFFAA00; ④:DRAWLINE(C2,H,A2,H,1),COLORLIBLUE; ⑤:DRAWLINE(B21,L,A21,L,1),COLORYELLOW; ⑥:DRAWLINE(C21,L,B21,L,1),COLORFF00FF; ⑦:DRAWLINE(C21,L,A21,L,1),COLORBROWN; ⑧:IF(A11,TROUGH(2,N,1),DRAWNULL),COLORRED;