n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 710 buildTime: 10 solved: true
{0,15,31}
{1,21,26}
{2,10,29}
{3,20,24}
{4,23,39}
{5,9,30}
{6,25,27}
{7,11,14}
{8,32,37}
{12,16,38}
{13,17,28}
{18,19,34}
{33,35,36}