n: 40 m: 346 packed: 13 density: 0 nodes: 0 solveTime: 7220 buildTime: 70 solved: true
{0,14,38}
{1,3,11}
{2,4,5}
{6,7,12}
{8,35,39}
{9,25,31}
{10,26,32}
{13,15,30}
{16,21,29}
{17,23,33}
{18,20,24}
{19,22,27}
{34,36,37}