n: 40 m: 255 packed: 13 density: 0 nodes: 0 solveTime: 930 buildTime: 40 solved: true
{0,5,12}
{1,3,17}
{2,22,39}
{4,13,30}
{6,36,37}
{7,28,38}
{8,19,29}
{9,15,23}
{10,20,31}
{11,18,35}
{14,24,26}
{16,21,34}
{25,27,32}