n: 40 m: 341 packed: 13 density: 0 nodes: 0 solveTime: 4280 buildTime: 70 solved: true
{0,1,7}
{2,29,37}
{3,14,23}
{4,8,13}
{5,18,32}
{6,16,28}
{9,11,31}
{10,26,36}
{12,27,35}
{15,25,34}
{17,33,38}
{20,21,22}
{24,30,39}