n: 40 m: 338 packed: 13 density: 0 nodes: 0 solveTime: 8740 buildTime: 60 solved: true
{0,1,9}
{2,14,16}
{3,4,8}
{6,11,29}
{7,10,36}
{12,26,30}
{13,19,39}
{15,20,32}
{17,27,28}
{18,22,33}
{21,35,38}
{23,31,37}
{24,25,34}