n: 40 m: 230 packed: 13 density: 0 nodes: 0 solveTime: 1790 buildTime: 30 solved: true
{0,14,18}
{1,33,37}
{2,7,38}
{3,20,25}
{4,9,13}
{5,10,19}
{6,29,36}
{8,30,35}
{11,15,23}
{12,22,28}
{16,21,26}
{17,27,31}
{32,34,39}