n: 40 m: 266 packed: 13 density: 0 nodes: 0 solveTime: 3710 buildTime: 50 solved: true
{0,14,28}
{1,12,38}
{2,16,37}
{3,30,34}
{4,6,20}
{5,11,19}
{7,13,32}
{8,17,35}
{9,10,25}
{15,23,31}
{21,24,33}
{22,27,39}
{26,29,36}