n: 40 m: 290 packed: 13 density: 0 nodes: 0 solveTime: 4920 buildTime: 50 solved: true
{0,32,33}
{1,4,20}
{2,27,36}
{3,15,38}
{5,19,22}
{6,28,30}
{7,23,31}
{8,16,39}
{9,17,25}
{10,21,37}
{11,12,24}
{13,26,34}
{14,18,35}