n: 40 m: 220 packed: 13 density: 0 nodes: 0 solveTime: 1740 buildTime: 30 solved: true
{0,24,38}
{1,8,21}
{2,34,36}
{3,29,31}
{4,20,27}
{5,7,32}
{6,16,19}
{9,17,33}
{10,18,26}
{11,12,28}
{13,15,22}
{14,35,39}
{23,25,30}