n: 40 m: 433 packed: 13 density: 0 nodes: 0 solveTime: 19460 buildTime: 110 solved: true
{0,8,16}
{1,9,25}
{2,30,32}
{3,7,17}
{4,29,33}
{5,31,36}
{10,34,35}
{11,20,38}
{12,22,39}
{13,24,26}
{14,21,27}
{15,19,28}
{18,23,37}