n: 40 m: 208 packed: 13 density: 0 nodes: 0 solveTime: 1390 buildTime: 20 solved: true
{0,6,10}
{1,19,37}
{2,4,20}
{3,14,26}
{5,30,32}
{7,29,33}
{8,15,18}
{11,25,38}
{12,23,34}
{13,27,31}
{16,24,39}
{17,21,28}
{22,35,36}