n: 40 m: 318 packed: 13 density: 0 nodes: 0 solveTime: 2820 buildTime: 60 solved: true
{0,29,33}
{1,2,37}
{3,4,22}
{5,26,31}
{6,14,25}
{8,17,35}
{9,19,27}
{10,11,20}
{12,21,36}
{13,23,24}
{15,34,38}
{16,28,32}
{18,30,39}