n: 40 m: 532 packed: 13 density: 0 nodes: 0 solveTime: 39330 buildTime: 160 solved: true
{0,18,33}
{1,3,36}
{2,6,19}
{5,14,22}
{7,11,12}
{8,26,34}
{9,23,38}
{10,13,28}
{15,16,17}
{20,21,27}
{24,25,29}
{30,32,35}
{31,37,39}