n: 30 m: 321 packed: 10 density: 0 nodes: 0 solveTime: 8900 buildTime: 60 solved: true
{0,10,13}
{1,14,28}
{2,11,15}
{3,7,25}
{4,6,9}
{5,12,23}
{8,19,24}
{16,20,26}
{17,18,22}
{21,27,29}