n: 40 m: 140 packed: 13 density: 0 nodes: 0 solveTime: 1000 buildTime: 20 solved: true
{0,5,15}
{1,27,28}
{2,18,37}
{3,11,13}
{4,24,33}
{6,7,8}
{9,30,38}
{10,17,26}
{12,22,34}
{14,20,25}
{16,23,36}
{19,29,39}
{31,32,35}