n: 40 m: 276 packed: 13 density: 0 nodes: 0 solveTime: 1360 buildTime: 50 solved: true
{0,25,28}
{1,32,39}
{2,6,35}
{3,12,34}
{4,16,33}
{5,13,23}
{7,22,36}
{8,17,30}
{9,19,38}
{10,26,37}
{11,21,31}
{14,24,29}
{15,20,27}