n: 40 m: 259 packed: 13 density: 0 nodes: 0 solveTime: 3340 buildTime: 40 solved: true
{0,4,14}
{1,24,33}
{2,20,38}
{3,28,32}
{5,13,19}
{6,9,26}
{7,23,39}
{8,27,34}
{10,17,29}
{11,15,31}
{12,35,37}
{16,30,36}
{18,22,25}