n: 40 m: 356 packed: 13 density: 0 nodes: 0 solveTime: 7300 buildTime: 80 solved: true
{0,32,34}
{1,12,38}
{2,28,36}
{3,8,39}
{4,11,13}
{5,6,16}
{7,23,27}
{9,18,24}
{10,19,26}
{14,29,33}
{15,25,30}
{17,31,35}
{20,21,37}