n: 40 m: 532 packed: 13 density: 0 nodes: 0 solveTime: 17820 buildTime: 170 solved: true
{0,1,10}
{2,28,30}
{3,12,25}
{4,13,27}
{5,20,22}
{6,14,35}
{7,23,36}
{8,26,31}
{9,29,32}
{11,34,37}
{15,21,39}
{16,18,38}
{17,19,33}