n: 30 m: 337 packed: 10 density: 0 nodes: 0 solveTime: 4040 buildTime: 70 solved: true
{0,20,28}
{1,3,7}
{2,10,25}
{4,15,27}
{5,6,22}
{8,21,23}
{9,18,26}
{11,17,19}
{12,24,29}
{13,14,16}