return [[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 0, 0, -2, 4, 2, -6, 2, 0, 0 ],
[ 0, 0, 0, -6, 12, 6, -18, 6, 0, 0 ],
[ 0, 0, 0, 7, 0, 0, 7, 0, 0, 0 ],
[ 0, 0, 0, 5, 4, 2, 1, 2, 0, 0 ],
[ 0, 0, 0, 1, 12, 6, -11, 6, 0, 0 ],
[ 0, 7, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 7, 0, -2, 4, 2, -6, 2, 0, 0 ],
[ 0, 7, 0, -6, 12, 6, -18, 6, 0, 0 ],
[ 0, 7, 0, 7, 0, 0, 7, 0, 0, 0 ],
[ 0, 7, 0, 5, 4, 2, 1, 2, 0, 0 ],
[ 0, 7, 0, 1, 12, 6, -11, 6, 0, 0 ],
[ 7, 0, 7, -1, 2, 1, -3, 1, 0, 0 ],
[ 7, 0, 7, -3, 6, 3, -9, 3, 0, 0 ],
[ 7, 0, 7, -7, 14, 7, -21, 7, 0, 0 ],
[ 7, 7, 7, 6, 2, 1, 4, 1, 0, 0 ],
[ 7, 7, 7, 4, 6, 3, -2, 3, 0, 0 ],
[ 7, 7, 7, 0, 14, 7, -14, 7, 0, 0 ]];;