n: 40 m: 185 packed: 13 density: 0 nodes: 0 solveTime: 940 buildTime: 20 solved: true
{0,21,25}
{1,29,35}
{2,19,22}
{3,9,28}
{4,7,17}
{5,34,39}
{6,15,18}
{8,13,26}
{10,11,33}
{12,24,30}
{14,23,37}
{16,31,32}
{27,36,38}