return [[ 0, 0, 0, 0 ],
[ 0, 5, 0, 0 ],
[ 0, 10, 0, 0 ],
[ 0, 15, 0, 0 ],
[ 0, 20, 0, 0 ],
[ 0, 25, 0, 0 ],
[ 0, 30, 0, 0 ],
[ 0, 35, 0, 0 ],
[ 8, 0, 0, 0 ],
[ 8, 5, 0, 0 ],
[ 8, 10, 0, 0 ],
[ 8, 15, 0, 0 ],
[ 8, 20, 0, 0 ],
[ 8, 25, 0, 0 ],
[ 8, 30, 0, 0 ],
[ 8, 35, 0, 0 ],
[ 16, 0, 0, 0 ],
[ 16, 5, 0, 0 ],
[ 16, 10, 0, 0 ],
[ 16, 15, 0, 0 ],
[ 16, 20, 0, 0 ],
[ 16, 25, 0, 0 ],
[ 16, 30, 0, 0 ],
[ 16, 35, 0, 0 ]];;