let t = [];
 for(let i = 0 ; i <= 511 ; i ++ ){
     let a = i
     . toString ( 2 )
     . split ('')
     . map ( v => + v );
     a = [ ... new Int8Array ( 9 - a . length )]
     . concat ( a );
     ( t [ a [ 0 ] ]) || ( t [ a [ 0 ] ] = [ ]);
     ( t [ a [ 0 ] ][ a [ 1 ] ]) || ( t [ a [ 0 ] ][ a [ 1 ] ] = [ ]);
     (t[a[0]][a[1]][a[2]])                                    ||(t[a[0]][a[1]][a[2]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]])                              ||(t[a[0]][a[1]][a[2]][a[3]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]][a[4]])                        ||(t[a[0]][a[1]][a[2]][a[3]][a[4]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]])                  ||(t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]])            ||(t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]][a[7]])      ||(t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]][a[7]]=[]);
     (t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]][a[7]][a[8]])||(t[a[0]][a[1]][a[2]][a[3]][a[4]][a[5]][a[6]][a[7]][a[8]] = i );
 }
 console . log ( t [0][1][1][0][0][1][0][1][0]);