n: 40 m: 206 packed: 13 density: 0 nodes: 0 solveTime: 1240 buildTime: 30 solved: true
{0,6,17}
{1,7,22}
{2,20,31}
{3,15,28}
{4,14,39}
{5,27,34}
{8,9,36}
{10,33,38}
{12,23,30}
{13,18,32}
{16,26,35}
{19,25,29}
{21,24,37}