n: 40 m: 189 packed: 13 density: 0 nodes: 0 solveTime: 270 buildTime: 30 solved: true
{0,16,39}
{1,9,14}
{2,17,20}
{3,21,23}
{4,27,28}
{5,13,34}
{6,11,19}
{7,24,35}
{8,29,30}
{10,25,31}
{12,32,37}
{15,22,36}
{18,26,33}