n: 40 m: 187 packed: 13 density: 0 nodes: 0 solveTime: 1870 buildTime: 20 solved: true
{0,13,21}
{1,8,32}
{2,16,31}
{3,10,33}
{4,15,18}
{5,22,28}
{6,14,34}
{7,20,26}
{9,27,29}
{11,23,25}
{12,36,39}
{17,35,37}
{24,30,38}