## Group: [16, 3]
## Difference Sets: 4
## Time:  0:00:00.100

return [
[ 1, 2, 3, 4, 8, 15 ],
[ 1, 2, 3, 4, 10, 14 ],
[ 1, 2, 3, 5, 7, 15 ],
[ 1, 2, 3, 7, 10, 11 ]
];

