n: 30 m: 487 packed: 10 density: 0 nodes: 0 solveTime: 30940 buildTime: 140 solved: true
{0,19,20}
{1,16,22}
{2,6,7}
{3,8,10}
{4,28,29}
{5,11,25}
{9,15,18}
{12,21,26}
{13,17,27}
{14,23,24}