n: 30 m: 239 packed: 10 density: 0 nodes: 0 solveTime: 1280 buildTime: 20 solved: true
{0,14,28}
{1,20,24}
{2,6,7}
{3,9,26}
{4,5,19}
{8,16,22}
{10,13,23}
{11,15,21}
{12,18,27}
{17,25,29}