n: 40 m: 337 packed: 13 density: 0 nodes: 0 solveTime: 6400 buildTime: 70 solved: true
{0,23,38}
{1,19,24}
{2,17,20}
{3,7,10}
{4,14,34}
{5,12,28}
{6,9,21}
{8,22,27}
{11,26,39}
{13,31,35}
{15,16,32}
{25,33,36}
{29,30,37}