n: 40 m: 128 packed: 13 density: 0 nodes: 0 solveTime: 330 buildTime: 20 solved: true
{0,24,31}
{1,6,13}
{2,10,22}
{3,14,25}
{4,32,33}
{5,35,38}
{7,17,37}
{8,11,16}
{9,19,28}
{15,20,27}
{18,21,26}
{23,30,34}
{29,36,39}