n: 40 m: 507 packed: 13 density: 0 nodes: 0 solveTime: 12380 buildTime: 150 solved: true
{0,15,35}
{1,3,4}
{2,17,37}
{5,28,33}
{6,21,26}
{7,25,27}
{8,20,24}
{9,34,36}
{10,23,29}
{11,19,30}
{12,22,39}
{13,14,18}
{16,31,38}