n: 40 m: 346 packed: 13 density: 0 nodes: 0 solveTime: 8290 buildTime: 80 solved: true
{0,26,37}
{1,14,29}
{2,19,30}
{3,35,39}
{4,10,11}
{5,7,24}
{6,9,17}
{8,20,23}
{13,18,27}
{15,21,36}
{16,32,33}
{22,25,28}
{31,34,38}