1
2
3
4
5
6
7
8
9
10
11
12
$VAR1 = {
          '4' => [
                   '4',
                   '8',
                   '12'
                 ],
          '1' => [
                   '1',
                   '5',
                   '9'
                 ],
          '3' => [
                   '3',
                   '7',
                   '11'
                 ],
          '2' => [
                   '2',
                   '6',
                   '10'
                 ]
        };