n: 40 m: 239 packed: 13 density: 0 nodes: 0 solveTime: 2560 buildTime: 30 solved: true
{0,14,39}
{1,17,33}
{2,10,24}
{3,18,30}
{4,19,32}
{5,9,22}
{6,26,36}
{7,13,20}
{8,11,37}
{12,15,35}
{16,27,34}
{21,23,28}
{29,31,38}