n: 40 m: 567 packed: 13 density: 0 nodes: 0 solveTime: 18630 buildTime: 190 solved: true
{0,4,5}
{1,2,3}
{6,32,34}
{7,9,11}
{8,10,31}
{12,15,21}
{13,38,39}
{14,18,30}
{16,23,27}
{17,26,28}
{19,20,22}
{25,33,36}
{29,35,37}