return [[ 0, 0, 0, 0 ],
[ 0, 5, 0, 0 ],
[ 0, 10, 0, 0 ],
[ 11, 0, 0, 0 ],
[ 11, 5, 0, 0 ],
[ 11, 10, 0, 0 ],
[ 22, 0, 0, 0 ],
[ 22, 5, 0, 0 ],
[ 22, 10, 0, 0 ]];;