n: 30 m: 333 packed: 10 density: 0 nodes: 0 solveTime: 9200 buildTime: 70 solved: true
{0,18,26}
{1,2,5}
{3,4,24}
{6,23,27}
{7,9,15}
{8,13,29}
{10,21,28}
{11,14,22}
{12,16,17}
{19,20,25}