n: 40 m: 219 packed: 13 density: 0 nodes: 0 solveTime: 820 buildTime: 30 solved: true
{0,11,31}
{1,3,35}
{2,29,34}
{4,13,39}
{5,21,28}
{6,24,32}
{7,15,23}
{8,10,19}
{9,16,27}
{12,25,37}
{14,30,33}
{17,22,36}
{18,20,26}