n: 40 m: 295 packed: 13 density: 0 nodes: 0 solveTime: 4340 buildTime: 50 solved: true
{0,33,37}
{1,3,17}
{2,10,38}
{4,6,31}
{5,7,12}
{8,26,28}
{9,24,32}
{11,13,25}
{14,18,19}
{15,27,30}
{16,29,35}
{20,21,22}
{23,36,39}