n: 40 m: 446 packed: 13 density: 0 nodes: 0 solveTime: 18510 buildTime: 120 solved: true
{0,6,13}
{1,15,25}
{2,23,39}
{3,9,18}
{4,5,27}
{7,20,29}
{8,28,35}
{10,30,36}
{11,17,33}
{12,14,32}
{16,19,38}
{21,24,37}
{26,31,34}