n: 40 m: 308 packed: 13 density: 0 nodes: 0 solveTime: 5430 buildTime: 50 solved: true
{0,6,29}
{1,25,39}
{2,20,28}
{3,7,26}
{4,9,11}
{5,10,30}
{8,22,36}
{12,21,35}
{13,14,23}
{15,32,34}
{16,17,24}
{18,19,33}
{27,37,38}