n: 40 m: 280 packed: 13 density: 0 nodes: 0 solveTime: 4270 buildTime: 40 solved: true
{0,8,36}
{1,17,37}
{2,10,30}
{3,15,34}
{4,6,13}
{5,7,12}
{9,19,23}
{11,31,38}
{14,18,24}
{20,27,33}
{21,32,35}
{22,29,39}
{25,26,28}