n: 40 m: 159 packed: 13 density: 0 nodes: 0 solveTime: 450 buildTime: 20 solved: true
{0,13,16}
{1,10,19}
{2,17,23}
{3,22,31}
{4,9,29}
{5,21,25}
{6,7,37}
{8,11,38}
{12,15,36}
{14,18,32}
{20,24,35}
{27,30,33}
{28,34,39}