n: 40 m: 361 packed: 13 density: 0 nodes: 0 solveTime: 5570 buildTime: 80 solved: true
{0,18,32}
{1,5,24}
{2,7,30}
{3,9,31}
{4,8,11}
{6,14,35}
{10,28,33}
{12,20,27}
{15,34,37}
{16,29,36}
{17,25,26}
{19,21,39}
{22,23,38}