n: 40 m: 512 packed: 13 density: 0 nodes: 0 solveTime: 11650 buildTime: 150 solved: true
{0,28,31}
{1,3,17}
{2,23,32}
{4,19,24}
{5,6,12}
{7,13,20}
{8,10,27}
{9,25,26}
{11,18,34}
{14,22,38}
{15,16,21}
{29,36,37}
{30,35,39}