n: 40 m: 204 packed: 13 density: 0 nodes: 0 solveTime: 9090 buildTime: 30 solved: true
{0,3,27}
{1,25,32}
{2,28,37}
{4,26,31}
{5,7,36}
{6,8,33}
{9,14,34}
{10,12,20}
{11,13,30}
{15,18,21}
{16,22,29}
{17,23,38}
{19,24,35}