n: 40 m: 161 packed: 13 density: 0 nodes: 0 solveTime: 480 buildTime: 10 solved: true
{0,7,13}
{1,4,22}
{2,9,14}
{3,24,36}
{5,6,39}
{8,30,31}
{10,15,21}
{11,18,33}
{12,16,20}
{19,32,34}
{23,35,37}
{25,29,38}
{26,27,28}