n: 40 m: 255 packed: 13 density: 0 nodes: 0 solveTime: 1270 buildTime: 40 solved: true
{0,18,29}
{1,15,20}
{2,10,17}
{3,7,9}
{4,25,35}
{5,8,12}
{6,24,39}
{11,26,37}
{13,22,34}
{14,19,27}
{16,23,31}
{21,32,38}
{28,30,36}