n: 40 m: 516 packed: 13 density: 0 nodes: 0 solveTime: 15990 buildTime: 160 solved: true
{0,6,13}
{1,29,32}
{2,17,19}
{3,5,33}
{4,11,16}
{7,12,15}
{8,31,34}
{9,18,25}
{10,21,28}
{14,20,36}
{23,35,37}
{24,27,39}
{26,30,38}