n: 40 m: 325 packed: 13 density: 0 nodes: 0 solveTime: 4730 buildTime: 60 solved: true
{0,26,27}
{1,24,30}
{2,5,21}
{3,4,6}
{7,9,28}
{8,18,20}
{10,16,38}
{11,23,34}
{12,22,31}
{13,17,35}
{14,25,37}
{19,29,36}
{32,33,39}