n: 30 m: 373 packed: 10 density: 0 nodes: 0 solveTime: 20510 buildTime: 80 solved: true
{0,1,9}
{2,11,17}
{3,13,18}
{4,10,16}
{5,6,7}
{8,19,20}
{12,22,24}
{14,15,21}
{23,28,29}
{25,26,27}