n: 40 m: 280 packed: 13 density: 0 nodes: 0 solveTime: 2300 buildTime: 50 solved: true
{0,4,13}
{1,7,9}
{2,3,20}
{5,8,29}
{6,19,25}
{10,16,22}
{11,15,33}
{12,35,36}
{14,23,31}
{17,30,37}
{18,21,26}
{24,34,38}
{27,28,39}