n:=15;z:=ZIG(4,n);H1:=ZREF(Z,1) AND REF(Z,1)=LLV(Z,3);L2:=FILTER(BACKSET(L1,2),1);H3:=BARSLAST(H2);L3:=BARSLAST(L2);h4:=REF(H,REF(h3,1)+1);l4:=REF(L,REF(l3,1)+1);h5:=COUNT(h2,0)/2<>FLOOR(COUNT(h2,0)/2);l5:=COUNT(l2,0)/2<>FLOOR(COUNT(l2,0)/2);var1:=(h4-REF(L,l3))/10;var2:=(H-REF(L,l3))/var1>2 AND (H-REF(L,l3))/var1<5 var3:=(REF(h3,1)-l3)/10;var4:>var3*2 AND l310;var5:=h2 AND NOT(h5) AND var2 AND var4;var6:=h2 AND h5 AND var2 AND