n: 40 m: 192 packed: 13 density: 0 nodes: 0 solveTime: 1120 buildTime: 20 solved: true
{0,11,17}
{1,14,21}
{2,18,29}
{3,16,39}
{4,23,26}
{5,24,32}
{6,27,31}
{7,19,33}
{8,28,35}
{9,12,13}
{10,20,38}
{15,34,37}
{25,30,36}