n: 40 m: 258 packed: 13 density: 0 nodes: 0 solveTime: 4610 buildTime: 40 solved: true
{0,7,26}
{1,5,25}
{2,4,18}
{3,21,34}
{6,23,30}
{8,15,39}
{9,13,14}
{10,11,22}
{12,28,37}
{16,19,35}
{17,31,33}
{20,27,32}
{24,29,38}