n: 30 m: 270 packed: 10 density: 0 nodes: 0 solveTime: 1940 buildTime: 40 solved: true
{0,23,28}
{1,20,25}
{2,18,29}
{3,16,24}
{4,10,19}
{5,11,17}
{6,21,22}
{7,13,14}
{8,15,27}
{9,12,26}