n: 40 m: 417 packed: 13 density: 0 nodes: 0 solveTime: 12910 buildTime: 100 solved: true
{0,5,20}
{1,3,7}
{2,6,33}
{8,14,18}
{9,28,39}
{10,12,38}
{11,15,37}
{13,19,27}
{16,24,34}
{17,25,36}
{21,22,29}
{23,26,31}
{30,32,35}