n: 40 m: 171 packed: 13 density: 0 nodes: 0 solveTime: 410 buildTime: 20 solved: true
{0,21,26}
{1,13,14}
{2,30,35}
{3,18,24}
{4,19,28}
{5,11,22}
{6,15,23}
{7,16,17}
{8,10,36}
{9,31,37}
{12,27,29}
{20,34,38}
{25,32,39}