n: 30 m: 204 packed: 10 density: 0 nodes: 0 solveTime: 890 buildTime: 20 solved: true
{0,15,17}
{1,7,18}
{2,25,27}
{3,9,13}
{4,14,29}
{5,22,23}
{6,19,21}
{8,11,26}
{10,12,24}
{16,20,28}