n: 40 m: 74 packed: 13 density: 0 nodes: 0 solveTime: 80 buildTime: 10 solved: true
{0,6,28}
{2,24,25}
{3,34,35}
{4,18,31}
{5,10,30}
{7,14,38}
{8,21,37}
{9,13,22}
{11,19,29}
{12,26,33}
{15,20,36}
{16,23,27}
{17,32,39}