n: 40 m: 573 packed: 13 density: 0 nodes: 0 solveTime: 43380 buildTime: 190 solved: true
{0,8,29}
{1,21,23}
{2,14,26}
{3,31,33}
{4,18,28}
{5,17,19}
{6,20,27}
{7,9,12}
{10,11,13}
{15,37,38}
{16,22,25}
{24,30,32}
{35,36,39}