n: 30 m: 510 packed: 10 density: 0 nodes: 0 solveTime: 38730 buildTime: 160 solved: true
{0,12,18}
{1,8,16}
{2,5,22}
{3,25,28}
{4,7,10}
{6,19,24}
{9,14,17}
{11,27,29}
{13,20,23}
{15,21,26}