n: 40 m: 244 packed: 13 density: 0 nodes: 0 solveTime: 2370 buildTime: 40 solved: true
{0,23,35}
{1,7,13}
{2,14,22}
{3,32,34}
{4,16,20}
{5,19,29}
{6,10,39}
{8,12,28}
{9,11,31}
{15,33,38}
{17,18,36}
{21,24,26}
{25,27,37}