n: 40 m: 181 packed: 13 density: 0 nodes: 0 solveTime: 340 buildTime: 20 solved: true
{0,19,31}
{1,35,36}
{2,16,20}
{3,9,14}
{4,34,37}
{5,11,27}
{6,15,39}
{7,22,24}
{8,17,33}
{10,18,29}
{12,21,30}
{13,23,25}
{26,32,38}