n: 40 m: 359 packed: 13 density: 0 nodes: 0 solveTime: 3810 buildTime: 70 solved: true
{0,15,19}
{1,16,29}
{2,3,13}
{5,14,23}
{6,22,31}
{7,10,12}
{8,9,18}
{11,17,28}
{20,21,26}
{24,25,30}
{27,32,36}
{33,34,37}
{35,38,39}