n: 40 m: 228 packed: 13 density: 0 nodes: 0 solveTime: 710 buildTime: 30 solved: true
{0,2,11}
{1,3,38}
{4,6,13}
{5,28,35}
{7,18,27}
{8,20,34}
{9,21,24}
{10,12,26}
{14,25,31}
{15,30,39}
{16,29,32}
{17,23,37}
{19,33,36}