javascript:(function(){row=new Array(81);col=new Array(81);blk=new Array(81);for(var
n=0;n<81;++n){row[n]=parseInt(n/9);col[n]=n%9;blk[n]=3*parseInt(row[n]/3)+parseInt(col[n]/3);}bc=new
Array(512);for(var n=0;n<512;++n){bc[n]=0;for(var d=1;d<1024;d<<=1)if(n&d)bc[n]++;}function solve(cand,todo){var
n=-1,c=999;for(var m=0;m<81;++m)if(todo[m]&&bc[cand[m]]<c)if((c=bc[cand[n=m]])==1)break;if(n==-1)return
cand;todo[n]=false;var ncand=new Array(81);for(var d=1;d<1024;d<<=1)if(cand[n]&d){for(var
m=0;m<81;++m)if(n==m)ncand[m]=d;else
if(row[n]==row[m]||col[n]==col[m]||blk[n]==blk[m]){if((ncand[m]=cand[m]&~d)==0)break;}else
ncand[m]=cand[m];if(m==81&&(r=solve(ncand,todo)))return r;}todo[n]=true;return
false;}if(document.location.href.indexOf('one-sudoku.com')<0)document.location.href='http://www.one-sudoku.com/'
;else{var e=document.getElementsByTagName('input'),c=new Array(81),t=new Array(81);for(var n=0;n<81;++n){var
v=e.item(n).value;c[n]=v?(1<<(v-1)):511;t[n]=true;}if(r=solve(c,t)){for(var n=0;n<81;++n)for(var
d=0;d<9;++d)if(r[n]==(1<<d))e.item(n).value=d+1;}else alert('No solution found!');}})()