return [[ 0, 0, 0, 0 ],
[ 0, 3, 0, 0 ],
[ 0, 9, 0, 0 ],
[ 17, 0, 0, 0 ],
[ 17, 3, 0, 0 ],
[ 17, 9, 0, 0 ],
[ 34, 0, 0, 0 ],
[ 34, 3, 0, 0 ],
[ 34, 9, 0, 0 ]];;