n: 40 m: 218 packed: 13 density: 0 nodes: 0 solveTime: 1860 buildTime: 30 solved: true
{0,15,17}
{1,11,29}
{2,10,31}
{3,6,22}
{4,16,37}
{5,23,34}
{7,21,24}
{8,18,39}
{9,26,36}
{13,28,30}
{14,25,35}
{19,33,38}
{20,27,32}