n: 30 m: 466 packed: 10 density: 0 nodes: 0 solveTime: 17680 buildTime: 140 solved: true
{0,8,9}
{1,4,7}
{2,6,19}
{3,5,11}
{10,17,28}
{12,24,26}
{13,18,20}
{14,25,29}
{15,22,23}
{16,21,27}