n: 30 m: 330 packed: 10 density: 0 nodes: 0 solveTime: 3730 buildTime: 70 solved: true
{0,15,23}
{1,8,17}
{2,5,14}
{3,9,28}
{4,6,10}
{7,12,18}
{11,24,27}
{13,25,29}
{16,21,22}
{19,20,26}