return [[ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 0, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 0, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 15, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 15, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 15, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 30, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 30, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 30, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 45, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 45, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 0, 45, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 0, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 0, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 15, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 15, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 15, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 30, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 30, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 30, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 45, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 45, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 20, 45, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 0, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 0, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 15, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 15, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 15, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 30, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 30, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 30, 24, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 45, 0, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 45, 12, 0, 0, 0, 0, 0, 0, 0 ],
[ 40, 45, 24, 0, 0, 0, 0, 0, 0, 0 ]];;