n: 40 m: 188 packed: 13 density: 0 nodes: 0 solveTime: 450 buildTime: 20 solved: true
{0,13,34}
{1,6,15}
{2,10,24}
{3,36,39}
{4,23,33}
{5,7,38}
{8,26,31}
{11,20,25}
{12,28,29}
{14,16,30}
{17,32,37}
{18,21,35}
{19,22,27}