n: 40 m: 224 packed: 13 density: 0 nodes: 0 solveTime: 960 buildTime: 30 solved: true
{0,21,35}
{1,12,28}
{2,25,32}
{3,11,23}
{4,17,20}
{5,14,15}
{6,26,38}
{7,9,22}
{8,16,30}
{10,31,39}
{13,18,34}
{19,33,36}
{24,27,37}