n: 40 m: 458 packed: 13 density: 0 nodes: 0 solveTime: 12090 buildTime: 130 solved: true
{0,30,38}
{1,26,27}
{2,4,20}
{3,25,35}
{5,21,32}
{6,24,37}
{7,28,29}
{8,9,10}
{11,23,34}
{12,15,33}
{13,19,36}
{16,17,31}
{18,22,39}