n: 30 m: 586 packed: 10 density: 0 nodes: 0 solveTime: 13090 buildTime: 210 solved: true
{0,3,6}
{1,7,8}
{2,19,25}
{4,12,17}
{5,10,11}
{9,18,22}
{13,27,28}
{14,21,24}
{15,23,26}
{16,20,29}