n: 40 m: 214 packed: 13 density: 0 nodes: 0 solveTime: 830 buildTime: 30 solved: true
{0,9,35}
{1,17,36}
{2,6,7}
{3,12,15}
{4,16,19}
{5,32,34}
{8,13,38}
{10,25,29}
{11,14,18}
{20,30,37}
{21,22,23}
{24,26,33}
{28,31,39}