n: 40 m: 272 packed: 13 density: 0 nodes: 0 solveTime: 3740 buildTime: 50 solved: true
{0,17,37}
{1,10,36}
{2,28,30}
{3,15,22}
{4,12,18}
{5,14,32}
{6,16,23}
{7,8,39}
{9,19,29}
{11,21,27}
{13,20,25}
{26,31,34}
{33,35,38}