n: 40 m: 340 packed: 13 density: 0 nodes: 0 solveTime: 9200 buildTime: 70 solved: true
{0,2,17}
{1,5,25}
{3,27,39}
{4,13,38}
{6,23,28}
{7,29,32}
{8,11,18}
{9,12,16}
{10,20,26}
{15,19,37}
{21,33,36}
{22,30,35}
{24,31,34}