Hello everyone.

I'm at a complete loss.

I'm trying to generate random Bingo tickets, but I'm stuck right now. The point is, that have the following code:

Code:
var startNum:Number = 1;
var endNum:Number = 90;
var rp:RandomPlus = new RandomPlus(endNum, startNum);

var variant_1:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");

var variant_2:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");

var variant_3:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");

var variant_4:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");

var variant_5:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");

var variant_6:Array = new Array
                    (rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), rp.getNum(), 
                     "", "",  "", "",  "", "", "", "", "", "", "", "");



function shuffle(a, b):Number {
    var num:Number = Math.round(Math.random()*2)-2;
    return num;
}


var b:Array = variant_1.sort(shuffle);
var cnt:uint=0;
for (var i = 0; i<b.length/9; i++) {
    for (var j = 0; j<b.length/3; j++) {
        var grid1:box=new box();
        grid1.x=5+(grid1.width-1)*j;
        grid1.y=5+(grid1.height-1)*i;
        grid1.txt.text=b[cnt];
        addChild(grid1);
        cnt++;
    }
}

var c:Array = variant_2.sort(shuffle);
var cnt2:uint=0;
for (var k = 0; k<c.length/3; k++) {
    for (var l = 0; l<c.length/9; l++) {
        var grid2:box=new box();
        grid2.x=5+(grid2.width-1)*k;
        grid2.y=100+(grid2.height-1)*l;
        grid2.txt.text=c[cnt2];
        addChild(grid2);
        cnt2++;
    }
}

var d:Array = variant_3.sort(shuffle);
var cnt3:uint=0;
for (var m = 0; m<d.length/3; m++) {
    for (var n = 0; n<d.length/9; n++) {
        var grid3:box=new box();
        grid3.x=5+(grid3.width-1)*m;
        grid3.y=200+(grid3.height-1)*n;
        grid3.txt.text=d[cnt3];
        addChild(grid3);
        cnt3++;
    }
}

var e:Array = variant_4.sort(shuffle);
var cnt4:uint=0;
for (var o = 0; o<e.length/3; o++) {
    for (var p = 0; p<e.length/9; p++) {
        var grid4:box=new box();
        grid4.x=5+(grid4.width-1)*o;
        grid4.y=300+(grid4.height-1)*p;
        grid4.txt.text=e[cnt4];
        addChild(grid4);
        cnt4++;
    }
}

var f:Array = variant_5.sort(shuffle);
var cnt5:uint=0;
for (var q = 0; q<f.length/3; q++) {
    for (var r = 0; r<f.length/9; r++) {
        var grid5:box=new box();
        grid5.x=5+(grid5.width-1)*q;
        grid5.y=400+(grid5.height-1)*r;
        grid5.txt.text=f[cnt5];
        addChild(grid5);
        cnt5++;
    }
}

var g:Array = variant_6.sort(shuffle);
var cnt6:uint=0;
for (var s = 0; s<g.length/3; s++) {
    for (var t = 0; t<g.length/9; t++) {
        var grid6:box=new box();
        grid6.x=5+(grid6.width-1)*s;
        grid6.y=500+(grid6.height-1)*t;
        grid6.txt.text=g[cnt6];
        addChild(grid6);
        cnt6++;
    }
}

Which outputs this:

Untitled-1.jpg

As you can see, I've got 162 cells divided into 9x3 tables. Each table contains 15 numbers and 12 empty spaces. All the numbers are between 1-90 and do not repeat. The positions of the numbers are random.

The real problem is that I have to conform to a few rules:

  • The sum of the numbers in each table must be equal.
  • There are 9 columns, which must be arranged like so: first column 1-9, second column 10-19, third column 20-29, ... , ninth column 80-90.
  • Each row must have 4 spaces.


What now? It seems impossible.