n: 40 m: 189 packed: 13 density: 0 nodes: 0 solveTime: 670 buildTime: 30 solved: true
{0,28,29}
{1,16,35}
{2,13,20}
{3,18,22}
{4,12,21}
{5,30,31}
{6,37,38}
{7,15,25}
{9,23,27}
{10,11,19}
{14,24,34}
{17,26,36}
{32,33,39}