n: 40 m: 280 packed: 13 density: 0 nodes: 0 solveTime: 2400 buildTime: 40 solved: true
{0,2,38}
{1,11,20}
{3,16,27}
{4,30,36}
{5,8,17}
{6,9,12}
{7,23,33}
{10,19,31}
{13,15,26}
{14,28,34}
{18,29,37}
{21,22,24}
{25,32,35}