n: 40 m: 293 packed: 13 density: 0 nodes: 0 solveTime: 2090 buildTime: 50 solved: true
{0,16,28}
{1,19,33}
{2,11,27}
{3,32,37}
{4,34,35}
{5,21,31}
{6,29,30}
{7,23,25}
{8,10,12}
{9,14,24}
{13,15,36}
{17,26,38}
{18,22,39}