n: 40 m: 499 packed: 13 density: 0 nodes: 0 solveTime: 21420 buildTime: 150 solved: true
{0,23,29}
{1,3,6}
{2,4,28}
{5,7,13}
{8,14,22}
{9,16,27}
{10,30,32}
{11,24,25}
{12,19,33}
{15,21,26}
{17,38,39}
{18,20,36}
{31,35,37}