n: 30 m: 317 packed: 10 density: 0 nodes: 0 solveTime: 6730 buildTime: 70 solved: true
{0,7,19}
{1,3,11}
{2,4,5}
{6,16,18}
{8,25,29}
{9,20,26}
{10,21,23}
{12,22,28}
{13,15,17}
{14,24,27}