n: 40 m: 164 packed: 13 density: 0 nodes: 0 solveTime: 710 buildTime: 10 solved: true
{0,21,37}
{1,30,34}
{2,3,13}
{4,16,17}
{5,29,35}
{6,10,12}
{7,22,38}
{8,15,39}
{9,24,32}
{11,18,20}
{14,25,31}
{19,23,33}
{26,27,28}