n: 30 m: 355 packed: 10 density: 0 nodes: 0 solveTime: 3060 buildTime: 70 solved: true
{0,10,17}
{1,3,7}
{2,4,19}
{5,8,13}
{6,11,14}
{9,12,23}
{15,20,22}
{16,26,28}
{18,21,29}
{24,25,27}