n: 40 m: 254 packed: 13 density: 0 nodes: 0 solveTime: 2260 buildTime: 40 solved: true
{0,19,32}
{1,11,29}
{2,5,13}
{3,10,17}
{4,12,33}
{6,15,25}
{7,27,34}
{8,16,20}
{9,21,30}
{14,23,39}
{18,22,38}
{24,31,37}
{26,28,36}