n: 40 m: 792 packed: 13 density: 0 nodes: 0 solveTime: 105990 buildTime: 360 solved: true
{0,6,15}
{2,8,29}
{3,10,23}
{4,11,16}
{5,14,17}
{7,18,31}
{9,33,38}
{12,25,39}
{13,22,30}
{19,20,24}
{21,32,37}
{26,28,35}
{27,34,36}