n: 40 m: 137 packed: 13 density: 0 nodes: 0 solveTime: 200 buildTime: 10 solved: true
{0,12,37}
{1,11,23}
{2,3,27}
{4,6,24}
{5,16,30}
{7,32,34}
{8,19,20}
{9,14,15}
{10,13,17}
{18,22,31}
{21,33,36}
{25,29,39}
{26,28,38}