n: 30 m: 520 packed: 10 density: 0 nodes: 0 solveTime: 8950 buildTime: 160 solved: true
{0,3,4}
{1,13,20}
{2,5,19}
{6,15,23}
{7,18,21}
{8,17,27}
{9,11,25}
{10,14,22}
{12,24,26}
{16,28,29}