n: 40 m: 293 packed: 13 density: 0 nodes: 0 solveTime: 6830 buildTime: 50 solved: true
{0,1,28}
{2,15,30}
{3,17,26}
{4,24,34}
{5,38,39}
{6,16,21}
{7,13,29}
{8,25,31}
{9,18,37}
{10,19,35}
{11,14,33}
{12,20,23}
{22,32,36}