n: 40 m: 361 packed: 13 density: 0 nodes: 0 solveTime: 2580 buildTime: 80 solved: true
{0,2,5}
{1,3,21}
{4,8,18}
{6,32,39}
{7,35,37}
{9,23,38}
{10,14,20}
{12,29,36}
{13,26,27}
{15,24,33}
{16,31,34}
{17,19,30}
{22,25,28}