n: 40 m: 465 packed: 13 density: 0 nodes: 0 solveTime: 16940 buildTime: 120 solved: true
{0,1,17}
{2,15,37}
{3,25,34}
{4,38,39}
{5,19,28}
{6,27,35}
{7,13,18}
{8,26,31}
{9,32,33}
{10,20,24}
{11,21,30}
{12,14,29}
{16,22,36}