var: patt1,patt2,bbs(0),bbc(0),bbi(0), indzona1,pr;
bbs= BBandUpper (C, 20, 2, 0);
bbc= BBandCenter (C, 20, 2, 0);
bbi= BBandLower (C, 20, 2, 0);
plotchart(bbs,0,red,solid,1);
plotchart(bbc,0,red,solid,1);
plotchart(bbi,0,red,solid,1);
[I]//patt1 hammer[/I]
patt1= H-O<0.1*(H-L)and 2*(O-C)<C-L;
pr=patt1<bbi;
if patt1 and (pr=true) then
colorbar(yellow);
endif;