n: 40 m: 139 packed: 13 density: 0 nodes: 0 solveTime: 3330 buildTime: 10 solved: true
{0,4,16}
{1,12,36}
{2,29,33}
{3,17,31}
{6,10,19}
{7,24,25}
{8,18,37}
{9,11,27}
{13,20,28}
{14,23,32}
{15,21,38}
{22,30,39}
{26,34,35}